{"id":40985,"date":"2023-01-17T00:36:56","date_gmt":"2023-01-16T15:36:56","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=40985&#038;preview=true&#038;preview_id=40985"},"modified":"2025-09-29T22:51:49","modified_gmt":"2025-09-29T13:51:49","slug":"gmail-alternative","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/","title":{"rendered":"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078"},"content":{"rendered":"<p>Gmail\u306f\u3001\u73fe\u5728\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3001\u305d\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u30e6\u30fc\u30b6\u30fc\u306f<a href=\"https:\/\/financesonline.com\/number-of-active-gmail-users\/\" target=\"_blank\" rel=\"noopener noreferrer\">18\u5104\u4eba<\/a>\u306b\u9054\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u7279\u306b<a href=\"https:\/\/kinsta.com\/jp\/blog\/email-marketing-statistics\/\">\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0<\/a>\u3084\u30d3\u30b8\u30cd\u30b9\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30e1\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u308c\u3070\u3001Gmail\u4ee5\u5916\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u79fb\u884c\u3057\u305f\u3044\u3001\u3042\u308b\u3044\u306f\u5c11\u306a\u304f\u3068\u3082Gmail\u306e\u6a5f\u80fd\u3092\u5f37\u5316\u3057\u305f\u3044\u3068\u611f\u3058\u308b\u3053\u3068\u304c\u3042\u308b\u306f\u305a\u3002<\/p>\n<p>\u305d\u3053\u3067\u4eca\u56de\u306f\u3001Gmail\u306b\u4ee3\u308f\u308b\u512a\u308c\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3067\u3001\u81ea\u793e\u306b\u9069\u3057\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u898b\u3064\u3051\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<div id=\"D03UUSM0PNU-1680771112.970079-thread-list-threads-flexpane_1680771279.159159\" class=\"c-virtual_list__item c-virtual_list__item--initial-activeitem\" role=\"listitem\" data-qa=\"virtual-list-item\" data-item-key=\"1680771279.159159\">\n<div class=\"c-message_kit__background c-message_kit__background--hovered c-message_kit__message c-message_kit__thread_message\" role=\"presentation\" data-qa=\"message_container\" data-qa-unprocessed=\"false\" data-qa-placeholder=\"false\">\n<div class=\"c-message_kit__hover c-message_kit__hover--hovered\" role=\"document\" data-qa-hover=\"true\">\n<div class=\"c-message_kit__actions c-message_kit__actions--default\">\n<div class=\"c-message_kit__gutter\">\n<div class=\"c-message_kit__gutter__right\" role=\"presentation\" data-qa=\"message_content\">\n<div class=\"c-message_kit__blocks c-message_kit__blocks--rich_text\">\n<div class=\"c-message__message_blocks c-message__message_blocks--rich_text\" data-qa=\"message-text\">\n<div class=\"p-block_kit_renderer\" data-qa=\"block-kit-renderer\">\n<div class=\"p-block_kit_renderer__block_wrapper p-block_kit_renderer__block_wrapper--first\">\n<div class=\"p-rich_text_block\" dir=\"auto\">\n<div class=\"p-rich_text_section\"><strong>\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066<a class=\"c-link\" href=\"https:\/\/www.youtube.com\/watch?v=2nkLrgdNkxY\" target=\"_blank\" rel=\"noopener noreferrer\" data-stringify-link=\"https:\/\/www.youtube.com\/watch?v=2nkLrgdNkxY\" data-sk=\"tooltip_parent\">\u52d5\u753b\u3067\u306e\u89e3\u8aac<\/a>\u3082\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059<\/strong><\/div>\n<div class=\"p-rich_text_section\"><span style=\"font-family: Roboto, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;font-size: 1rem\"><kinsta-video src=\"https:\/\/www.youtube.com\/watch?v=2nkLrgdNkxY\"><\/kinsta-video><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2>Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u691c\u8a0e\u3059\u3079\u304d\u7406\u7531<\/h2>\n<p>Google\u306f\u30c7\u30fc\u30bf\u53ce\u96c6\u306b\u95a2\u3057\u3066\u61f8\u5ff5\u304c\u591a\u304f\u3001\u904e\u53bb\u306b\u306f<a href=\"https:\/\/www.wsj.com\/articles\/techs-dirty-secret-the-app-developers-sifting-through-your-gmail-1530544442\" target=\"_blank\" rel=\"noopener noreferrer\">\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u4fb5\u5bb3\u3059\u308b\u884c\u70ba<\/a>\u3084<a href=\"https:\/\/www.forbes.com\/sites\/daveywinder\/2020\/02\/28\/google-confirms-new-ai-tool-scans-300-billion-gmail-attachments-every-week\/?sh=1b9aae073edd\" target=\"_blank\" rel=\"noopener noreferrer\">\u30e1\u30fc\u30eb\u306e\u30b9\u30ad\u30e3\u30f3<\/a>\u306a\u3069\u304c\u884c\u308f\u308c\u3066\u3044\u305f\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u52a0\u3048\u3066\u3001Gmail\u306b\u306f\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30ba\u3055\u308c\u305f\u5e83\u544a\u3092\u8868\u793a\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u3001\u5358\u306b\u9b31\u9676\u3057\u304f\u611f\u3058\u308b\u3053\u3068\u3082\u3002<\/p>\n<p>Gmail\u306fGoogle\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u4e00\u90e8\u3002\u3053\u308c\u306f\u30b5\u30b9\u30c6\u30ca\u30d6\u30eb\u306e\u89b3\u70b9\u3067\u3001\u30d9\u30b9\u30c8\u306a\u9078\u629e\u80a2\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001Gmail\u306f\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3084<a href=\"https:\/\/kinsta.com\/jp\/blog\/types-of-malware\/\">\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0<\/a>\u3092\u5b8c\u5168\u306b\u9632\u3052\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4e00\u822c\u7684\u306a\u8ff7\u60d1\u30e1\u30fc\u30eb\u306f\u3082\u3061\u308d\u3093\u3001\u6b63\u898f\u306e\u7d44\u7e54\u3092\u88c5\u3063\u305f\u507d\u9020\u30e1\u30fc\u30eb\u3082\u53d7\u4fe1\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u591a\u304f\u3001\u975e\u5e38\u306b\u5371\u967a\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u307e\u3067Gmail\u306f\u6700\u3082\u4f7f\u3044\u3084\u3059\u3044\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u3082\u306f\u3084\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u306e\u4e2d\u306b\u306f\u3001\u3088\u308a\u6d17\u7df4\u3055\u308c\u305f\u30c7\u30b6\u30a4\u30f3\u3068\u76f4\u611f\u7684\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u3082\u306e\u304c\u3042\u308a\u3001\u4e2d\u306b\u306fGmail\u3068\u307b\u307c\u540c\u3058\u898b\u305f\u76ee\u306e\u3082\u306e\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u91cd\u8996\u3057\u305f\u3044\u65b9\u3084\u3001\u74b0\u5883\u306b\u512a\u3057\u3044\u9078\u629e\u80a2\u306b\u79fb\u884c\u3057\u305f\u3044\u65b9\u3001\u305d\u3057\u3066\u53d7\u4fe1\u30c8\u30ec\u30a4\u306b\u8868\u793a\u3055\u308c\u308b\u5e83\u544a\u306b\u3046\u3093\u3056\u308a\u3057\u3066\u3044\u308b\u65b9\u306f\u3001Gmail\u306e\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3092\u691c\u8a0e\u3057\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<h2>\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b913\u9078<\/h2>\n<p>\u305d\u308c\u3067\u306f\u65e9\u901f\u3001\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>1. Tuta<\/h3>\n<p><a href=\"https:\/\/tuta.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Tuta<\/a>\u306f\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u7b2c\u4e00\u306b\u8003\u3048\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002\u5e83\u544a\u8868\u793a\u306f\u306a\u304f\u3001\u500b\u4eba\u7528\u30fb<a href=\"https:\/\/kinsta.com\/jp\/blog\/professional-email-address\/\">\u30d3\u30b8\u30cd\u30b9\u7528\u30e1\u30fc\u30eb<\/a>\u306e\u4e21\u65b9\u3092\u4fdd\u8b77\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2025\/09\/Tuta-Mail-composition.png\" alt=\"Tuta\" width=\"1500\" height=\"842\"><figcaption class=\"wp-caption-text\">Tuta<\/figcaption><\/figure>\n<p>Tuta\u304cGmail\u306b\u4ee3\u308f\u308b\u7406\u7531\u306f\u4ee5\u4e0b\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol start=\"1\">\n<li>\u3059\u3079\u3066\u306e\u30d7\u30e9\u30f3\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u91cf\u5b50\u8010\u6027\u6697\u53f7\u5316\u306b\u3088\u3063\u3066\u4fdd\u8b77\u3002<\/li>\n<li>\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\uff08\u4ef6\u540d\u3092\u542b\u3080\uff09\u3001\u53d7\u4fe1\u30c8\u30ec\u30a4\u306e\u30eb\u30fc\u30eb\u3068\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u691c\u7d22\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u4fdd\u5b58\u6642\u306b\u6697\u53f7\u5316\u3055\u308c\u3001\u30c9\u30a4\u30c4\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u7ba1\u3002<\/li>\n<li>\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30b5\u30fc\u30d3\u30b9\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62c5\u5f53\u8005\u304c\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u3001Tuta\u306e\u4fe1\u983c\u6027\u3092\u78ba\u304b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<li>\u72ec\u81ea\u306e\u30bc\u30ed\u77e5\u8b58\uff08zero-knowledge\uff09\u30ab\u30ec\u30f3\u30c0\u30fc\u6a5f\u80fd\u3067\u3001\u30ab\u30ec\u30f3\u30c0\u30fc\u306e\u30a4\u30d9\u30f3\u30c8\u901a\u77e5\u304c\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u3067\u6697\u53f7\u5316\u3002<\/li>\n<li>\u30e1\u30fc\u30eb\u3068\u30ab\u30ec\u30f3\u30c0\u30fc\u540c\u69d8\u3001\u9023\u7d61\u5148\u60c5\u5831\u3082\u6697\u53f7\u5316\u3002<\/li>\n<li>\u30c9\u30a4\u30c4\u3092\u62e0\u70b9\u3068\u3059\u308b\u4f1a\u793e\u3067\u3042\u308a\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-gdpr-compliance\/\">GDPR<\/a>\u3068\u73fe\u5730\u306e\u30c7\u30fc\u30bf\u4fdd\u8b77\u6cd5\u3092\u9075\u5b88\u3002<\/li>\n<li>iOS\u3001Android\u3001Windows\u3001Linux\u3001macOS\u3001<a href=\"https:\/\/kinsta.com\/jp\/browser-market-share\/\">\u30d6\u30e9\u30a6\u30b6<\/a>\u7528\u306e\u30a2\u30d7\u30ea\u3042\u308a\u3002<\/li>\n<li>\u533f\u540d\u306e\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3067\u304d\u308b\uff08\u96fb\u8a71\u756a\u53f7\u306e\u767b\u9332\u4e0d\u8981\uff09\u3002<\/li>\n<li>\u3059\u3063\u304d\u308a\u3057\u305f\u30c7\u30b6\u30a4\u30f3\u306e\u76f4\u611f\u7684\u306aUI\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6a5f\u80fd\u3068\u7d44\u307f\u8fbc\u307f\u306e\u691c\u7d22\u6a5f\u80fd\u3002<\/li>\n<li>\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u3092\u30b5\u30a4\u30c8\u306b\u8ffd\u52a0\u3067\u304d\u308b\u3002<\/li>\n<\/ol>\n<p>\u307e\u305f\u3001Tuta\u306e<a href=\"https:\/\/kinsta.com\/jp\/docs\/service-information\/data-center-locations\/\">\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/a>\u306f\u518d\u751f\u53ef\u80fd\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001Gmail\u3088\u308a\u3082\u6301\u7d9a\u53ef\u80fd\u306a\u9078\u629e\u80a2\u3067\u3059\u3002<\/p>\n<p>\u30c7\u30e1\u30ea\u30c3\u30c8\u3068\u3057\u3066\u3001\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8\u306e\u5bfe\u5fdc\u304c\u9045\u3044\u3068\u3044\u3046\u58f0\u3082\u3042\u308a\u307e\u3059\u304c\u3001Tuta\u306f\u5c0f\u898f\u6a21\u306a\u30c1\u30fc\u30e0\u3067\u904b\u55b6\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u60f3\u5b9a\u5185\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a\u7121\u6599\u30d7\u30e9\u30f3\u3042\u308a\u3002\u500b\u4eba\u5229\u7528\u3001\u304a\u3088\u3073\u6cd5\u4eba\u5229\u7528\u306b\u305d\u308c\u305e\u308c\u67d4\u8edf\u306a\u6599\u91d1\u4f53\u7cfb\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u300120GB\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u306815\u3064\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3064\u5834\u5408\u306f\u67085\u30c9\u30eb\u7a0b\u5ea6\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a\u624b\u9803\u306a\u4fa1\u683c\u3067\u3001\u5e83\u544a\u8868\u793a\u304c\u306a\u304f\u3001\u91cf\u5b50\u8010\u6027\u6697\u53f7\u306b\u3088\u308b\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u63a2\u3057\u3066\u3044\u308b\u500b\u4eba\u307e\u305f\u306f\u4f01\u696d<\/p>\n<h3>2. Proton Mail<\/h3>\n<p><a href=\"https:\/\/proton.me\/\" target=\"_blank\" rel=\"noopener noreferrer\">Proton Mail<\/a>\u306f\u3001\u5b89\u5168\u6027\u3068\u64cd\u4f5c\u6027\u306b\u512a\u308c\u305fGmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3060\u3051\u3067\u306a\u304f\u3001\u30ab\u30ec\u30f3\u30c0\u30fc\u3084<a href=\"https:\/\/kinsta.com\/blog\/what-is-cloud-storage\/\">\u30af\u30e9\u30a6\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8<\/a>\u3001<a href=\"https:\/\/kinsta.com\/blog\/how-does-a-vpn-work\/\">VPN<\/a>\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1015px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/Proton-Gmail-alternative.png\" alt=\"Proton\" width=\"1015\" height=\"988\"><figcaption class=\"wp-caption-text\">Proton<\/figcaption><\/figure>\n<p><a href=\"https:\/\/kinsta.com\/blog\/protonmail-vs-gmail\/\">Proton\u304cGmail\u306b\u512a\u308b<\/a>\u7279\u5fb4\u306b\u306f\u3001\u4ee5\u4e0b\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol start=\"1\">\n<li>\u5916\u90e8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3088\u3063\u3066\u691c\u8a3c\u3055\u308c\u3066\u3044\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3002<\/li>\n<li>\u4e16\u754c\u4e2d\u306e7,000\u4e07\u4eba\u4ee5\u4e0a\u306e\u30e6\u30fc\u30b6\u30fc\u30681\u4e07\u793e\u306e\u4f01\u696d\u304c\u30c7\u30fc\u30bf\u3092\u9810\u3051\u3066\u3044\u308b\u3002<\/li>\n<li>\u30b9\u30a4\u30b9\u306b\u672c\u793e\u304c\u3042\u308b\u305f\u3081\u3001GDPR\u3068\u73fe\u5730\u306e\u30c7\u30fc\u30bf\u4fdd\u8b77\u6cd5\u3092\u9075\u5b88\u3002<\/li>\n<li>Android\u3001iPhone\u3001iPad\u3001Windows\u3001Mac\u3001Linux\u7528\u306e\u30a2\u30d7\u30ea\u3092\u63d0\u4f9b\u3002<\/li>\n<li>1\u3064\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u304b\u3089\u30e1\u30fc\u30eb\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30ab\u30ec\u30f3\u30c0\u30fc\u3092\u7ba1\u7406\u3067\u304d\u3001\u30a2\u30af\u30bb\u30b9\u3082\u5bb9\u6613\u3002<\/li>\n<\/ol>\n<p>\u307e\u305f\u3001Google\u3084<a href=\"https:\/\/kinsta.com\/blog\/outlook-alternative\/\">Outlook<\/a>\u306a\u3069\u306e\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u7c21\u5358\u306b\u79fb\u884c\u53ef\u80fd\u3067\u3059\u3002Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u306e\u4e2d\u3067\u306f\u3001\u6700\u3082\u624b\u9803\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4f7f\u3044\u3084\u3059\u3055\u306b\u306f\u9577\u3051\u3066\u304a\u308a\u3001\u6a5f\u80fd\u304c\u8c4a\u5bcc\u306a\u30c8\u30c3\u30d7\u30af\u30e9\u30b9\u306e\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002<\/p>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a\u7121\u6599\u30d7\u30e9\u30f3\u3042\u308a\u3002\u3059\u3079\u3066\u306e\u6a5f\u80fd\u304c\u5229\u7528\u3067\u304d\u308b\u30d7\u30e9\u30f3\u306f\u6708\u984d\u7d0411\u30c9\u30eb\u3002\u30e1\u30fc\u30eb\u3068\u30ab\u30ec\u30f3\u30c0\u30fc\u3060\u3051\u3067\u3042\u308c\u3070\u3001\u6708\u984d6.99\u30c9\u30eb\u306e\u30d7\u30e9\u30f3\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1aGmail\u306b\u4ee3\u308f\u308b\u9ad8\u6a5f\u80fd\u304b\u3064<a href=\"https:\/\/kinsta.com\/jp\/blog\/secure-email-providers\/\">\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9<\/a>\u3092\u6c42\u3081\u3066\u3044\u3066\u3001\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u624b\u539a\u3044\u30b5\u30dd\u30fc\u30c8\u306b\u8ffd\u52a0\u4e88\u7b97\u3092\u5145\u3066\u3089\u308c\u308b\u500b\u4eba\u307e\u305f\u306f\u4f01\u696d<\/p>\n<h3>3. Mailfence<\/h3>\n<p><a href=\"https:\/\/mailfence.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Mailfence<\/a>\u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u4fdd\u5b58\u3001\u5b89\u5168\u306a\u30c1\u30e3\u30c3\u30c8\u3001\u9023\u7d61\u5148\u60c5\u5831\u306e\u4fdd\u8b77\u306a\u3069\u304c\u7279\u5fb4\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3001\u5e83\u544a\u8868\u793a\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<figure style=\"width: 1130px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/Mailfence-secure-email.png\" alt=\"Mailfence\" width=\"1130\" height=\"834\"><figcaption class=\"wp-caption-text\">Mailfence<\/figcaption><\/figure>\n<p>Mailfence\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol start=\"1\">\n<li>\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u6697\u53f7\u5316\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-two-factor-authentication\/\">\u4e8c\u8981\u7d20\u8a8d\u8a3c<\/a>\u3001SPF\u3084DKIM\u306a\u3069\u30b5\u30fc\u30d3\u30b9\u30ec\u30d9\u30eb\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/email-authentication\/\">\u8a8d\u8a3c\u6280\u8853<\/a>\u3092\u63a1\u7528\u3002<\/li>\n<li>\u7d71\u5408\u3055\u308c\u305f\u30ad\u30fc\u30b9\u30c8\u30a2\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5b8c\u5168\u306b\u9375\u306e\u7ba1\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<li>\u30d9\u30eb\u30ae\u30fc\u306e\u500b\u4eba\u60c5\u5831\u4fdd\u8b77\u6cd5\u306b\u5f93\u3044\u3001\u7c73\u56fd\u4ee5\u5916\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/tls-vs-ssl\/\">SSL\/TLS<\/a>\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3057\u3001\u884c\u52d5\u304c\u8ffd\u8de1\u3055\u308c\u308b\u3053\u3068\u304c\u306a\u3044\u3002<\/li>\n<li>\u30b0\u30ea\u30fc\u30f3\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u4f7f\u7528\u3057\u3001Ultra\u30d7\u30e9\u30f3\u306e\u53ce\u76ca15%\u3092\u96fb\u5b50\u30d5\u30ed\u30f3\u30c6\u30a3\u30a2\u8ca1\u56e3\uff08EFF\uff09\u304a\u3088\u3073European Digital Rights\u306b\u5bc4\u4ed8\u3002<\/li>\n<li>\u9ad8\u3044\u900f\u660e\u6027\u3068\u300c\u4ee4\u72b6\u306e\u30ab\u30ca\u30ea\u30a2\u300d\u3092\u63a1\u7528\u3057\u3001\u76e3\u67fb\u306b\u5bfe\u3057\u3066\u30b3\u30fc\u30c9\u3092\u516c\u958b\u3002<\/li>\n<\/ol>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a\u7121\u6599\u30d7\u30e9\u30f3\u3042\u308a\uff08\u4e00\u90e8\u6a5f\u80fd\u306b\u5236\u9650\u3042\u308a\uff09\u3002\u6709\u6599\u30d7\u30e9\u30f3\u306f\u6708\u984d2.50\u30c9\u30eb\u304b\u3089\u5229\u7528\u53ef\u80fd\u3067\u3001\u6709\u6599\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u306fPOP\u3001IMAP\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/gmail-smtp-server\/\">SMTP<\/a>\u5c0e\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fdd\u8b77\u3092\u91cd\u8996\u3057\u305f\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u304a\u63a2\u3057\u306e\u4f01\u696d<\/p>\n<h3>4. StartMail<\/h3>\n<p><a href=\"https:\/\/www.startmail.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">StartMail<\/a>\u306f\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306b\u914d\u616e\u3057\u305f\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u300cStartpage\u300d\u306e\u63d0\u4f9b\u5143\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002\u30aa\u30e9\u30f3\u30c0\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306b\u95a2\u3059\u308b\u6cd5\u5f8b\u3068GDPR\u306b\u6e96\u62e0\u3057\u3001\u30c7\u30fc\u30bf\u304c\u4fdd\u8b77\u3055\u308c\u3001\u533f\u540d\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f7f\u7528\u3057\u3066\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1392px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/StartMail-Gmail-alternative.jpg\" alt=\"StartMail\" width=\"1392\" height=\"776\"><figcaption class=\"wp-caption-text\">StartMail<\/figcaption><\/figure>\n<p>StartMail\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u80fd\u306b\u3088\u3063\u3066\u3001\u8ffd\u8de1\u3084\u76e3\u8996\u3001\u60aa\u7528\u306e\u5fc3\u914d\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li>\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u4fdd\u8b77\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u53ef\u80fd\u3002<\/li>\n<li>PGP\u7f72\u540d\u3067\u9001\u4fe1\u30e1\u30fc\u30eb\u3092\u691c\u8a3c\u3002<\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/tools\/what-is-my-ip\/\">IP\u30a2\u30c9\u30ec\u30b9<\/a>\u3092\u96a0\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<li>\u30a2\u30ab\u30a6\u30f3\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u4e8c\u8981\u7d20\u8a8d\u8a3c\u3092\u63a1\u7528\u3002<\/li>\n<li>\u53d7\u4fe1\u30e1\u30fc\u30eb\u306b\u542b\u307e\u308c\u308b\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u30d4\u30af\u30bb\u30eb\u3092\u30d6\u30ed\u30c3\u30af\u3002<\/li>\n<li>\u5916\u90e8\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u524d\u306b\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b\u3002<\/li>\n<li>\u3042\u3089\u3086\u308b\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u5b89\u5168\u306b\u30e1\u30fc\u30eb\u3092\u958b\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<li>\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u3067\u306e\u652f\u6255\u3044\u53ef\u3002<\/li>\n<\/ul>\n<p>\u307e\u305f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u53d7\u4fe1\u30c8\u30ec\u30a4\u3092\u6574\u7406\u3057\u305f\u308a\u3001\u9023\u7d61\u5148\u30b0\u30eb\u30fc\u30d7\u3092\u4f5c\u6210\u3057\u305f\u308a\u3001\u691c\u7d22\u6a5f\u80fd\u3067\u7279\u5b9a\u306e\u30e1\u30fc\u30eb\u3092\u7c21\u5358\u306b\u898b\u3064\u3051\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u79fb\u884c\u3082\u7c21\u5358\u3067\u3001\u53d7\u4fe1\u30c8\u30ec\u30a4\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u30c7\u30b6\u30a4\u30f3\u306e\u5909\u66f4\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a\u6708\u984d6\u30c9\u30eb\uff08\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u306e\u5834\u5408\u306f7\u30c9\u30eb\uff09\u30677\u65e5\u9593\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u304c\u3042\u308a\u307e\u3059\u3002\u3088\u308a\u304a\u5f97\u306b\u5229\u7528\u3059\u308b\u306b\u306f\u3001\u30bb\u30fc\u30eb\u3092\u5f85\u3064\u304b\u3001\u5e74\u984d\u30d7\u30e9\u30f3\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a\u5b89\u5168\u3067\u512a\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u6c42\u3081\u308b\u65b9<\/p>\n<h3>5. Posteo<\/h3>\n<p><a href=\"https:\/\/posteo.de\/\" target=\"_blank\" rel=\"noopener noreferrer\">Posteo<\/a>\u306f\u3001\u74b0\u5883\u306b\u512a\u3057\u304f\u3001\u5e83\u544a\u8868\u793a\u306e\u306a\u3044\u30c9\u30a4\u30c4\u767a\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002Posteo\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u3063\u3066\u904b\u55b6\u3055\u308c\u3066\u304a\u308a\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u3001\u9023\u7d61\u5148\u60c5\u5831\u306e\u7ba1\u7406\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u7ba1\u7406\u3092\u5b89\u5168\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/Posteo-Gmail-alternative.jpg\" alt=\"Posteo\" width=\"1024\" height=\"576\"><figcaption class=\"wp-caption-text\">Posteo<\/figcaption><\/figure>\n<p>Posteo\u306e\u7279\u5fb4\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<ol start=\"1\">\n<li>IP\u30a2\u30c9\u30ec\u30b9\u304c\u4fdd\u5b58\u3055\u308c\u305f\u308a\u3001\u8ffd\u8de1\u3055\u308c\u308b\u3053\u3068\u304c\u306a\u3044\u3002\u307e\u305f\u3001\u30c7\u30fc\u30bf\u306e\u53d6\u5f15\u3084\u6d41\u901a\u306b\u3082\u95a2\u4e0e\u306a\u3057\u3002<\/li>\n<li>\u30b5\u30fc\u30d0\u30fc\u306f\u5b89\u5168\u306a\u30c9\u30a4\u30c4\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306b\u8a2d\u7f6e\u3002<\/li>\n<li>\u540d\u524d\u3082\u96fb\u8a71\u756a\u53f7\u3082\u8a2d\u5b9a\u305b\u305a\u306b\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3067\u304d\u3001\u652f\u6255\u3044\u3082\u533f\u540d\u3067\u53ef\u80fd\u3002<\/li>\n<li>Green Planet Energy\u793e\u88fd\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u306e\u826f\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3002NGO\u3078\u306e\u5bc4\u4ed8\u3082\u884c\u3063\u3066\u3044\u308b\u3002<\/li>\n<li>S\/MIME\u307e\u305f\u306fOpenPGP\u306b\u3088\u308b\u53d7\u4fe1\u306e\u6697\u53f7\u5316\u3068\u3001TLS\u306b\u3088\u308b\u30a2\u30af\u30bb\u30b9\u304a\u3088\u3073\u9001\u4fe1\u306e\u6697\u53f7\u5316\u3002IP\u30a2\u30c9\u30ec\u30b9\uff08\u30b0\u30ed\u30fc\u30d0\u30eb\u3001\u30ed\u30fc\u30ab\u30eb\uff09\u3092\u96a0\u3059\u3053\u3068\u3082\u53ef\u80fd\u3002<\/li>\n<\/ol>\n<p>\u307e\u305f\u3001\u30a8\u30a4\u30ea\u30a2\u30b9\u30a2\u30c9\u30ec\u30b9\u3001\u4e00\u89a7\u307e\u305f\u306f\u4f1a\u8a71\u8868\u793a\u3001\u81ea\u52d5\u8fd4\u4fe1\u3001\u7121\u5236\u9650\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u30a2\u30c9\u30ec\u30b9\u306a\u3069\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u99b4\u67d3\u307f\u306e\u6a5f\u80fd\u3082\u63c3\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8\u306e\u8cea\u304c\u52a3\u308b\u3068\u3044\u3046\u58f0\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u8003\u616e\u3057\u3001\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9\u306f2\u9031\u9593\u4ee5\u4e0a\u8ffd\u8de1\u30fb\u4fdd\u5b58\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a\u6708\u984d1\u30e6\u30fc\u30ed\u3002\u307e\u305f\u3001\u6708\u300525\u30bb\u30f3\u30c8\u4ee5\u4e0b\u3067\u8ffd\u52a0\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30a8\u30a4\u30ea\u30a2\u30b9\u30a2\u30c9\u30ec\u30b9\u3001\u30ab\u30ec\u30f3\u30c0\u30fc\u3092\u8cfc\u5165\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a\u30b5\u30b9\u30c6\u30ca\u30d3\u30ea\u30c6\u30a3\u3068\u30c7\u30fc\u30bf\u4fdd\u8b77\u3092\u91cd\u8996\u3059\u308b\u65b9<\/p>\n<h3>6. Outlook<\/h3>\n<p><a href=\"https:\/\/outlook.live.com\/owa\/\" target=\"_blank\" rel=\"noopener noreferrer\">Outlook<\/a>\u306f\u3001Microsoft 365\u88fd\u54c1\u30d5\u30a1\u30df\u30ea\u30fc\u306e\u4e00\u90e8\u3067\u3059\u3002\u73fe\u5728\u3067\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u6d17\u7df4\u3055\u308c\u305f\u898b\u305f\u76ee\u3068\u512a\u308c\u305f\u6a5f\u80fd\u3092\u517c\u306d\u5099\u3048\u3066\u304a\u308a\u3001Gmail\u306b\u4ee3\u308f\u308b\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u691c\u8a0e\u3059\u308b\u4fa1\u5024\u306f\u5341\u5206\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1361px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/Outlook-Gmail-alternative.png\" alt=\"Outlook\" width=\"1361\" height=\"871\"><figcaption class=\"wp-caption-text\">Outlook<\/figcaption><\/figure>\n<p>Outlook\u306e\u7279\u9577\u306b\u306f\u3001\u4ee5\u4e0b\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol start=\"1\">\n<li>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3068\u30ab\u30ec\u30f3\u30c0\u30fc\u306e\u7d71\u5408\u3067\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u4f1a\u8b70\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u7ba1\u7406\u304c\u53ef\u80fd\u3002<\/li>\n<li>\u30ab\u30ec\u30f3\u30c0\u30fc\u3067\u540c\u50da\u3084\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u81ea\u5206\u306e\u90fd\u5408\u3092\u5171\u6709\u3057\u305f\u308a\u3001\u8fd1\u65e5\u4e2d\u306e\u51fa\u5f35\u4e88\u5b9a\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3067\u304d\u308b\u3002<\/li>\n<li>\u8a73\u7d30\u306a\u9023\u7d61\u5148\u60c5\u5831\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u3088\u308a\u5186\u6ed1\u306a\u30b3\u30df\u30cb\u30e5\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u306a\u304c\u308b\u3002<\/li>\n<li>\u53d7\u4fe1\u30c8\u30ec\u30a4\u304b\u3089\u76f4\u63a5\u30bf\u30b9\u30af\u3092\u4f5c\u6210\u3057\u3001\u7ba1\u7406\u53ef\u80fd\u3002<\/li>\n<li>\u6574\u7406\u3057\u3066\u3044\u306a\u3044\u53d7\u4fe1\u30c8\u30ec\u30a4\u304b\u3089\u91cd\u8981\u306a\u60c5\u5831\u3092\u898b\u3064\u3051\u51fa\u3059\u306e\u306b\u4fbf\u5229\u306a\u9ad8\u5ea6\u306a\u691c\u7d22\u6a5f\u80fd\u3002<\/li>\n<li>\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u691c\u51fa\u3001\u7591\u308f\u3057\u3044\u30ea\u30f3\u30af\u306e\u81ea\u52d5\u7121\u52b9\u5316\u306a\u3069\u306eMicrosoft\u306e\u6a5f\u80fd\u3067\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u4fdd\u8b77\u3002<\/li>\n<li>1\u3064\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3067Word\u3001PowerPoint\u3001Excel\u3001Skype\u3067\u306e\u5171\u540c\u4f5c\u696d\u304c\u5bb9\u6613\u306b\u3002<\/li>\n<li>\u76f4\u611f\u7684\u306a\u97f3\u58f0\u64cd\u4f5c\u306b\u3088\u308b\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3001\u8907\u6570\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u6a5f\u80fd\u304c\u3042\u308b\u3002<\/li>\n<\/ol>\n<p>\u307e\u305f\u3001<a href=\"https:\/\/kinsta.com\/blog\/outlook-smtp-settings\/\">Outlook\u306eSMTP\u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4efb\u610f\u306e\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u3001Outlook\u30a2\u30ab\u30a6\u30f3\u30c8\u304b\u3089\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a\u7121\u6599\u3002\u6709\u6599\u7248Outlook\u306e\u6a5f\u80fd\u3068\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001Microsoft 365\u306e\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3067\u3059\uff081\u30e6\u30fc\u30b6\u30fc\u306b\u3064\u304d\u6708\u984d6\u30c9\u30eb\u304b\u3089\uff09\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1aMicrosoft 365\u306e\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6301\u3064\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u3001\u307e\u305f\u306f\u3059\u3067\u306b\u6301\u3063\u3066\u3044\u308b\u4f01\u696d\u3002<\/p>\n<h3>7. Zoho Mail<\/h3>\n<p><a href=\"https:\/\/www.zoho.com\/mail\/\" target=\"_blank\" rel=\"noopener noreferrer\">Zoho Mail<\/a>\u306f\u3001Zoho\u63d0\u4f9b\u306e\u5e83\u544a\u8868\u793a\u306a\u3057\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002Zoho Mail\u306e\u9b45\u529b\u306f\u3001\u30e1\u30fc\u30eb\u3001\u9023\u7d61\u5148\u3001\u30ab\u30ec\u30f3\u30c0\u30fc\u3001\u30e1\u30e2\u3001\u30bf\u30b9\u30af\u3001\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306e\u3059\u3079\u3066\u306b\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/Zoho-Mail-Gmail-alternative.jpg\" alt=\"Zoho Mail\" width=\"1500\" height=\"869\"><figcaption class=\"wp-caption-text\">Zoho Mail<\/figcaption><\/figure>\n<p>Zoho Mail\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol start=\"1\">\n<li>S\/MIME\u3068TLS\u3067\u9001\u4fe1\u6642\u304a\u3088\u3073\u53d7\u4fe1\u6642\u306e\u30e1\u30fc\u30eb\u3092\u6697\u53f7\u5316\u3002<\/li>\n<li>\u4e00\u6d41\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306899.9%\u306e\u7a3c\u50cd\u7387\u3092\u8a87\u308b\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3002<\/li>\n<li>\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3084<a href=\"https:\/\/kinsta.com\/jp\/blog\/types-of-malware\/\">\u30de\u30eb\u30a6\u30a7\u30a2<\/a>\u306a\u3069\u306e\u8105\u5a01\u304b\u3089\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3002<\/li>\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066<a href=\"https:\/\/kinsta.com\/blog\/email-design\/\">\u30e1\u30fc\u30eb\u30c7\u30b6\u30a4\u30f3<\/a>\u3092\u67d4\u8edf\u306b\u7de8\u96c6\u3067\u304d\u308b\u3002<\/li>\n<li>\u540c\u50da\u3084\u90e8\u7f72\u7528\u306b\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3092\u8a2d\u5b9a\u53ef\u80fd\u3002<\/li>\n<li>\u8a2d\u5b9a\u3001\u30e6\u30fc\u30b6\u30fc\u3001\u30b0\u30eb\u30fc\u30d7\u30a8\u30a4\u30ea\u30a2\u30b9\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u30dd\u30ea\u30b7\u30fc\u306a\u3069\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb1\u7b87\u6240\u3067\u7ba1\u7406\u53ef\u80fd\u3002<\/li>\n<li>\u30e1\u30fc\u30eb\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u7c21\u5358\u306b\u5909\u66f4\u3067\u304d\u308b\u3002<\/li>\n<li>\u30e1\u30fc\u30eb\u306e\u4fdd\u5b58\u3068\u81ea\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3001\u9ad8\u5ea6\u306a\u691c\u7d22\u6a5f\u80fd\u3067\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u30a2\u30af\u30bb\u30b9\u6027\u3092\u78ba\u4fdd\u3002<\/li>\n<li><a href=\"https:\/\/kinsta.com\/blog\/google-workspace\/\">Google Workspace<\/a> \u304b\u3089\u30e1\u30fc\u30eb\u3084\u30ab\u30ec\u30f3\u30c0\u30fc\u306e\u30c7\u30fc\u30bf\u3092\u7c21\u5358\u306b\u79fb\u884c\u3067\u304d\u308b\u3002<\/li>\n<li>Zoho Mail\u3068CRM\u3092\u7d71\u5408\u3057\u3001\u55b6\u696d\u6d3b\u52d5\u3092\u5f37\u5316\u3067\u304d\u308b\u3002<\/li>\n<li>Zoho\u306e<a href=\"https:\/\/kinsta.com\/blog\/email-marketing-best-practices\/\">\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30c4\u30fc\u30eb<\/a>\u3092\u6d3b\u7528\u3057\u3066\u3001\u898b\u8fbc\u307f\u9867\u5ba2\u3092\u5927\u898f\u6a21\u306b\u80b2\u6210\u53ef\u80fd\u3002<\/li>\n<\/ol>\n<p>Zoho Mail\u306f\u3001\u6570\u3005\u306e\u6a5f\u80fd\u3092\u63c3\u3048\u305f\u9ad8\u6027\u80fd<a href=\"https:\/\/kinsta.com\/jp\/blog\/keep-email-and-hosting-separate\/\">\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9<\/a>\u3067\u3059\u3002\u8ff7\u60d1\u30e1\u30fc\u30eb\u3084<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-ddos-attack\/\">DDoS\u653b\u6483<\/a>\u304b\u3089\u4f01\u696d\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u8b77\u3057\u3001\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u3084\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u4eba\u8108\u69cb\u7bc9\u3092\u5f8c\u62bc\u3057\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a1\u30e6\u30fc\u30b6\u30fc\u306b\u3064\u304d\u6708\u984d1\u30c9\u30eb\u304b\u3089\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30d7\u30e9\u30f3\u306f\u30011\u30e6\u30fc\u30b6\u30fc\u306b\u3064\u304d\u7d043.70\u30c9\u30eb\u3002\u307e\u305f\u3001\u6700\u59275\u30e6\u30fc\u30b6\u30fc\u307e\u3067\u5229\u7528\u3067\u304d\u308b\u6c38\u4e45\u7121\u6599\u30d7\u30e9\u30f3\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a\u898b\u8fbc\u307f\u9867\u5ba2\u3001\u30d3\u30b8\u30cd\u30b9\u30d1\u30fc\u30c8\u30ca\u30fc\u3001\u5927\u5207\u306a\u9867\u5ba2\u3068\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30e1\u30fc\u30eb\u3092\u591a\u7528\u3057\u3066\u3044\u308b\u65b9<\/p>\n<h3>8. Spike<\/h3>\n<p><a href=\"https:\/\/www.spikenow.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Spike<\/a>\u306f\u3001\u30e1\u30fc\u30eb\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30c1\u30e3\u30c3\u30c8\u306b\u5909\u63db\u3057\u3001\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u52b9\u7387\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3001\u5171\u540c\u4f5c\u696d\u3092\u8003\u616e\u3057\u305f\u30e1\u30fc\u30eb\u30a2\u30d7\u30ea\u3067\u3059\u3002Spike\u3092\u4f7f\u3048\u3070\u3001Gmail\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306f\u305d\u306e\u307e\u307e\u3067\u3001\u5927\u5e45\u306b\u4f7f\u3044\u52dd\u624b\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1270px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/Spike-for-Gmail.jpg\" alt=\"Spike\" width=\"1270\" height=\"776\"><figcaption class=\"wp-caption-text\">Spike<\/figcaption><\/figure>\n<p>\u4ed6\u306b\u306f\u306a\u3044Spike\u306e\u9b45\u529b\u306b\u306f\u3001\u4ee5\u4e0b\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol start=\"1\">\n<li>\u7dca\u6025\u6027\u306e\u9ad8\u3044\u30e1\u30fc\u30eb\u306b\u96c6\u4e2d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u306a\u512a\u5148\u53d7\u4fe1\u6a5f\u80fd\u3002<\/li>\n<li>\u81ea\u7136\u306a\u5f62\u3067\u30a2\u30a4\u30c7\u30a2\u3092\u8a18\u9332\u3001\u5c55\u958b\u3001\u5171\u6709\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ce\u30fc\u30c8\u3002<\/li>\n<li>\u30c1\u30fc\u30e0\u30e1\u30f3\u30d0\u30fc\u304c\u30ce\u30fc\u30c8\u306b\u30b3\u30e1\u30f3\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3002<\/li>\n<li>\u7169\u96d1\u306a\u30e1\u30fc\u30eb\u306e\u3084\u308a\u53d6\u308a\u3084\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u4f1a\u8a71\u5f62\u5f0f\u306b\u5909\u63db\u3059\u308b\u30c1\u30e3\u30c3\u30c8\u6a5f\u80fd\u3002<\/li>\n<li>\u30bf\u30b9\u30af\u3068ToDo\u30ea\u30b9\u30c8\u306e\u7d71\u5408\u306b\u3088\u308a\u3001\u53d7\u4fe1\u30c8\u30ec\u30a4\u304b\u3089\u76f4\u63a5\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u7ba1\u7406\u3057\u3001\u30ea\u30de\u30a4\u30f3\u30c0\u30fc\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u305f\u3081\u3001\u4ed5\u4e8b\u306e\u628a\u63e1\u304c\u5bb9\u6613\u306b\u3002<\/li>\n<li><a href=\"https:\/\/kinsta.com\/blog\/best-webinar-platforms\/\">\u30d3\u30c7\u30aa\u4f1a\u8b70<\/a>\u3084\u97f3\u58f0\u30e1\u30c3\u30bb\u30fc\u30b8\u6a5f\u80fd\u3067\u3001\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30ba\u3055\u308c\u305f\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3002<\/li>\n<li>\u8907\u6570\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u3092\u7d71\u5408\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4e88\u5b9a\u306e\u91cd\u8907\u3084\u53d6\u308a\u3053\u307c\u3057\u3092\u56de\u907f\u3002<\/li>\n<li>\u9ad8\u5ea6\u306a\u30e1\u30fc\u30eb\u691c\u7d22\u6a5f\u80fd\u306b\u3088\u308a\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u30d7\u30ec\u30d3\u30e5\u30fc\u3057\u305f\u308a\u3001\u4eba\u3001\u30bf\u30b0\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u3001\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u3067\u7d50\u679c\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u53ef\u80fd\u3002<\/li>\n<li>\u30c1\u30fc\u30e0\u9593\u3067\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u5171\u540c\u4f5c\u696d\u3092\u7c21\u7d20\u5316\u3059\u308b\u30b0\u30eb\u30fc\u30d7\u6a5f\u80fd\u3067\u3001\u8907\u6570\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u4e0d\u8981\u3002<\/li>\n<\/ol>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a\u500b\u4eba\u5411\u3051\u306e\u7121\u6599\u30d7\u30e9\u30f3\u3042\u308a\u3002\u4f01\u696d\u5411\u3051\u30d7\u30e9\u30f3\u306f1\u30e6\u30fc\u30b6\u30fc\u3042\u305f\u308a\u6708\u984d5\u30c9\u30eb\u304b\u3089\u5229\u7528\u53ef\u80fd\u3067\u3001\u5e74\u6255\u3044\u3067\u5951\u7d04\u3059\u308b\u306838%\u5272\u5f15\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a\u6bce\u65e5\u4f55\u767e\u901a\u3082\u306e\u30e1\u30fc\u30eb\u3092\u9001\u53d7\u4fe1\u3059\u308b\u591a\u5fd9\u306a\u500b\u4eba\u3084\u4f01\u696d<\/p>\n<h3>9. Mozilla Thunderbird<\/h3>\n<p><a href=\"https:\/\/www.thunderbird.net\/\" target=\"_blank\" rel=\"noopener noreferrer\">Mozilla Thunderbird<\/a>\u306f\u3001Mozilla Foundation\u3068\u4e16\u754c\u898f\u6a21\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u3088\u3063\u3066\u652f\u3048\u3089\u308c\u3066\u3044\u308b\u7121\u6599\u306ePC\u5411\u3051\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u3002\u30ab\u30ec\u30f3\u30c0\u30fc\u3084\u30cb\u30e5\u30fc\u30b9\u30d5\u30a3\u30fc\u30c9\u3001\u30c1\u30e3\u30c3\u30c8\u3001\u30cb\u30e5\u30fc\u30b9\u30b0\u30eb\u30fc\u30d7\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u300220\u5e74\u4ee5\u4e0a\u524d\u306b\u8a95\u751f\u3057\u305f\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3059\u304c\u3001\u4eca\u3082\u306a\u304a\u5065\u5728\u3067\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-wordpress\/\">WordPress<\/a>\u540c\u69d8\u3001\u975e\u5e38\u306b\u624b\u9803\u306a\u4fa1\u683c\u3067\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1260px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/Thunderbird-for-Gmail.png\" alt=\"Thunderbird\" width=\"1260\" height=\"940\"><figcaption class=\"wp-caption-text\">Thunderbird<\/figcaption><\/figure>\n<p>Thunderbird\u306f\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3042\u308b\u305f\u3081\u3001Gmail\u3084\u305d\u306e\u4ed6\u306e\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u73fe\u5728\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3057\u306a\u304c\u3089\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u91cd\u8996\u3057\u305f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>Gmail\u306e\u4ee3\u308f\u308a\u306bThunderbird\u3092\u4f7f\u7528\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol start=\"1\">\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/gmail-add-ons\/\">Gmail\u306e\u62e1\u5f35\u6a5f\u80fd<\/a>\u306e\u3088\u3046\u306b\u3001\u30a2\u30c9\u30aa\u30f3\u3092\u4f7f\u3063\u3066\u7c21\u5358\u306b\u6a5f\u80fd\u306e\u5f37\u5316\u304c\u3067\u304d\u308b\u3002<\/li>\n<li>\u30bf\u30d6\u3001\u30e1\u30fc\u30eb\u30a2\u30fc\u30ab\u30a4\u30d6\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u691c\u7d22\u30c4\u30fc\u30eb\u306a\u3069\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306b\u306f\u6b20\u304b\u305b\u306a\u3044\u6a5f\u80fd\u304c\u63c3\u3063\u3066\u3044\u308b\u3002<\/li>\n<li>\u30a2\u30c9\u30aa\u30f3\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3067\u30a2\u30c9\u30aa\u30f3\u3092\u898b\u3064\u3051\u3066\u3001\u76f4\u63a5\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u53ef\u80fd\u3002<\/li>\n<li>\u7591\u308f\u3057\u3044\u30ea\u30f3\u30af\u3092\u8868\u793a\u3057\u305f\u308a\u3001\u30e1\u30fc\u30eb\u306b\u6dfb\u4ed8\u3055\u308c\u3066\u3044\u308b\u753b\u50cf\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u304b\u3089\u4fdd\u8b77\u3002<\/li>\n<li>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u7121\u5236\u9650\u306b\u8ffd\u52a0\u53ef\u80fd\u3002<\/li>\n<\/ol>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a\u5b8c\u5168\u7121\u6599\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u5bc4\u4ed8\u306b\u3088\u3063\u3066\u904b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a<a href=\"https:\/\/kinsta.com\/jp\/blog\/multiple-gmail-accounts\/\">\u8907\u6570\u306e\u53d7\u4fe1\u30c8\u30ec\u30a4<\/a>\u3092\u7ba1\u7406\u3067\u304d\u308b\u3001\u5b89\u5168\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u7121\u6599\u30e1\u30fc\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u304a\u63a2\u3057\u306e\u65b9<\/p>\n<h3>10. iCloud\u30e1\u30fc\u30eb<\/h3>\n<p><a href=\"https:\/\/www.icloud.com\/mail\" target=\"_blank\" rel=\"noopener noreferrer\">iCloud\u30e1\u30fc\u30eb<\/a>\u306f\u3001\u6d17\u7df4\u3055\u308c\u305f\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3001\u30d4\u30af\u30bb\u30eb\u30d1\u30fc\u30d5\u30a7\u30af\u30c8\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u6163\u308c\u3066\u3044\u308bmacOS\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u306f\u3001\u771f\u3063\u5148\u306b\u601d\u3044\u3064\u304f\u9078\u629e\u80a2\u306e1\u3064\u3067\u3059\u3002\u3057\u304b\u3057\u3001Apple\u306e\u30c7\u30d0\u30a4\u30b9\u4ee5\u5916\u3067\u3082\u5229\u7528\u53ef\u80fd\u3067\u3001Windows\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u3042\u308c\u3070\u3001Microsoft Outlook\u3067iCloud\u306e\u30e1\u30fc\u30eb\u3001\u9023\u7d61\u5148\u60c5\u5831\u3001\u30ab\u30ec\u30f3\u30c0\u30fc\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/pasted-image-0-4.png\" alt=\"iCloud\" width=\"1500\" height=\"842\"><figcaption class=\"wp-caption-text\">iCloud<\/figcaption><\/figure>\n<p>iCloud\u30e1\u30fc\u30eb\u306fGmail\u3068\u540c\u7b49\u304b\u3001\u3044\u304f\u3064\u304b\u306e\u9762\u3067\u306f\u305d\u308c\u4ee5\u4e0a\u306e\u6a5f\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol start=\"1\">\n<li>\u30e1\u30fc\u30eb\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u8ffd\u52a0\u30fb\u7ba1\u7406\u53ef\u80fd\u3002<\/li>\n<li>\u53d7\u4fe1\u30e1\u30fc\u30eb\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u30eb\u30fc\u30eb\u306f\u6700\u5927500\u307e\u3067\u8a2d\u5b9a\u3067\u304d\u308b\u3002<\/li>\n<li>iCloud Drive\u306f<a href=\"https:\/\/kinsta.com\/blog\/google-drive-alternative\/\">Google Drive\u5b8c\u5168\u4ee3\u66ff\u6a5f\u80fd<\/a>\u3002<\/li>\n<li>\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u304c\u30c7\u30d0\u30a4\u30b9\u3068\u5c0e\u5165\u6e08\u307fiOS\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u3067\u540c\u671f\u3055\u308c\u308b\u3002<\/li>\n<li>5GB\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u81ea\u52d5\u63d0\u4f9b\u3002\u8ffd\u52a0\u8cfc\u5165\u3082\u53ef\u80fd\u3002<\/li>\n<li>\u30c7\u30fc\u30bf\u4fdd\u8b77\u306f\u6a19\u6e96\u307e\u305f\u306f\u9ad8\u5ea6\u306e2\u7a2e\u985e\u304b\u3089\u9078\u3079\u308b\u3002<\/li>\n<li>S\/MIME\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6697\u53f7\u5316\u304c\u53ef\u80fd\uff08\u4efb\u610f\uff09\u3002<\/li>\n<\/ol>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a\u7121\u6599\u3002Apple\u306e\u6709\u6599\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9iCloud+\u3092\u8cfc\u5165\u3059\u308b\u3068\u3001\u3055\u3089\u306b\u591a\u304f\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u6a5f\u80fd\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\uff0850GB\u3067\u6708\u984d0.99\u30c9\u30eb\uff09\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1aApple\u88fd\u54c1\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u65b9<\/p>\n<h3>11. Mailbox.org<\/h3>\n<p><a href=\"https:\/\/mailbox.org\/en\/\" target=\"_blank\" rel=\"noopener noreferrer\">Mailbox.org<\/a>\u306f\u3001\u826f\u5fc3\u7684\u306a\u4fa1\u683c\u3067\u4fbf\u5229\u306a\u30c9\u30a4\u30c4\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3002\u30af\u30e9\u30a6\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30d3\u30c7\u30aa\u4f1a\u8b70\u30c4\u30fc\u30eb\u3001\u30ab\u30ec\u30f3\u30c0\u30fc\u3001\u30bf\u30b9\u30af\u7ba1\u7406\u306a\u3069\u3001\u5fc5\u8981\u306a\u6a5f\u80fd\u304c\u4e00\u5f0f\u63c3\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 960px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/pasted-image-0-5.png\" alt=\"Mailbox.org\" width=\"960\" height=\"1006\"><figcaption class=\"wp-caption-text\">Mailbox.org<\/figcaption><\/figure>\n<p>\u30e1\u30fc\u30eb\u306e\u6697\u53f7\u5316\u4ee5\u5916\u306b\u3082\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u8a95\u751f\u65e5\u3084\u5199\u771f\u306a\u3069\u3092\u8ffd\u52a0\u3057\u3066\u3001\u9ad8\u5ea6\u306a\u30a2\u30c9\u30ec\u30b9\u5e33\u3092\u4f5c\u6210\u3067\u304d\u308b\u3002<\/li>\n<li>\u4ed6\u306e\u30ab\u30ec\u30f3\u30c0\u30fc\u3068Mailbox.org\u3092\u63a5\u7d9a\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u4e88\u5b9a\u3092\u8ffd\u8de1\u3002<\/li>\n<li>\u53d7\u4fe1\u30c8\u30ec\u30a4\u304b\u3089\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u30bf\u30b9\u30af\u306e\u7ba1\u7406\u304c\u53ef\u80fd\u3002<\/li>\n<li>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u96e2\u308c\u308b\u3053\u3068\u306a\u304f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-rss-feed\/\">RSS<\/a>\u3084Twitter\u306e\u30d5\u30a3\u30fc\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3002<\/li>\n<li>\u30d6\u30e9\u30a6\u30b6\u3067Microsoft Word\u3084OpenOffice\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u4f5c\u6210\u3001\u7de8\u96c6\u3001\u9001\u4fe1\u53ef\u80fd\u3002<\/li>\n<li>\u30aa\u30d5\u30e9\u30a4\u30f3\u3067\u52a0\u3048\u305f\u30ab\u30ec\u30f3\u30c0\u30fc\u3001\u9023\u7d61\u5148\u3001\u30e1\u30fc\u30eb\u3001\u30bf\u30b9\u30af\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5909\u66f4\u5185\u5bb9\u304c\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u306b\u306a\u308b\u3068\u3059\u3050\u306b\u81ea\u52d5\u3067\u540c\u671f\u3055\u308c\u308b\u3002<\/li>\n<li>\u30af\u30e9\u30a6\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8\u5185\u306e\u3059\u3079\u3066\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u500b\u4eba\u306ePGP\u30ad\u30fc\u3067\u6697\u53f7\u5316\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<p>Mailbox.org\u306f\u533f\u540d\u3067\u3082\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Mailbox.org\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u30b0\u30ea\u30fc\u30f3\u30a8\u30cd\u30eb\u30ae\u30fc\u3067\u7a3c\u50cd\u3057\u3066\u304a\u308a\u3001\u900f\u660e\u6027\u5831\u544a\u66f8\u3082\u5b9a\u671f\u7684\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u70b9\u306b\u304a\u3044\u3066\u306fGmail\u3088\u308a\u3082\u4fe1\u983c\u3067\u304d\u308b\u30b5\u30fc\u30d3\u30b9\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a30\u65e5\u9593\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3042\u308a\u3002\u305d\u306e\u5f8c\u306f\u6708\u984d1\u30e6\u30fc\u30ed\u304b\u3089\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u91cd\u8996\u3057\u3001\u5805\u7262\u3067\u6c4e\u7528\u6027\u306e\u9ad8\u3044\u30e1\u30fc\u30eb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u304a\u63a2\u3057\u306e\u500b\u4eba\u307e\u305f\u306f\u4f01\u696d<\/p>\n<h3>12. Runbox<\/h3>\n<p><a href=\"https:\/\/runbox.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Runbox<\/a>\u306f\u30ce\u30eb\u30a6\u30a7\u30fc\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3001\u4ed5\u4e8b\u30fb\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3069\u3061\u3089\u306b\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u5e83\u544a\u306a\u3057\u3001\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306a\u3057\u3067\u3001\u540c\u793e\u306e\u900f\u660e\u6027\u5831\u544a\u66f8\u306f\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u95b2\u89a7\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<figure style=\"width: 943px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/pasted-image-0-1.jpg\" alt=\"Runbox\" width=\"943\" height=\"1024\"><figcaption class=\"wp-caption-text\">Runbox<\/figcaption><\/figure>\n<p>Runbox\u306e\u9b45\u529b\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<ul>\n<li>\u6700\u592725GB\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u3068FTPS\uff08FTP\u6697\u53f7\u5316\uff09\u306e\u30b5\u30dd\u30fc\u30c8<\/li>\n<li>\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3<\/li>\n<li>\u5404\u30a2\u30ab\u30a6\u30f3\u30c8\u306b100\u500b\u306e\u4e88\u5099\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\uff08\u30e1\u30fc\u30eb\u30a8\u30a4\u30ea\u30a2\u30b9\uff09<\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/types-of-ssl-certificates\/\">\u5b89\u5168\u306a\u6697\u53f7\u5316\uff08SSL\uff09<\/a><\/li>\n<li>\u30a2\u30c9\u30ec\u30b9\u5e33\u3068\u30ab\u30ec\u30f3\u30c0\u30fc<\/li>\n<li>\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u3068\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/li>\n<li>\u72ec\u81ea\u306e\u30d5\u30a3\u30eb\u30bf\u30fc<\/li>\n<li>\u30a6\u30a4\u30eb\u30b9\u3068\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u8a2d\u5b9a<\/li>\n<li>\u4ed6\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u304b\u3089\u306e\u30e1\u30fc\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\uff08Gmail\u3001Outlook\u306a\u3069\uff09<\/li>\n<li>\u4e00\u5bfe\u4e00\u306e\u79fb\u884c\u30b5\u30dd\u30fc\u30c8<\/li>\n<li>\u7c73\u56fd\u3068\u30ce\u30eb\u30a6\u30a7\u30fc\u3092\u62e0\u70b9\u3068\u3059\u308b\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc<\/li>\n<\/ul>\n<p>\u3055\u3089\u306b\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4e0d\u8981\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u306a\u3069\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u6a5f\u80fd\u3082\u7533\u8acb\u3057\u3066\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Runbox\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30ce\u30eb\u30a6\u30a7\u30fc\u306e\u30aa\u30b9\u30ed\u306b\u3042\u308b\u6700\u9ad8\u30ec\u30d9\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5099\u3048\u305f\u65bd\u8a2d\u306b\u8a2d\u7f6e\u3055\u308c\u3066\u304a\u308a\u3001\u518d\u751f\u53ef\u80fd\u306a\u6c34\u529b\u767a\u96fb\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306b\u5bfe\u3059\u308bRunBox\u306e\u53d6\u308a\u7d44\u307f\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a1\u30f6\u6708\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u306860\u65e5\u9593\u306e\u8fd4\u91d1\u4fdd\u8a3c\u304c\u3042\u308a\u307e\u3059\u3002\u6599\u91d1\u30d7\u30e9\u30f3\u306f\u7528\u9014\u306b\u5fdc\u3058\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u3067\u3059\uff08\u5e74\u959319.95\u30c9\u30eb\u301c\uff09\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a\u5c0f\u898f\u6a21\u304b\u3064\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u91cd\u8996\u3059\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u597d\u3080\u65b9<\/p>\n<h3>13. MsgSafe.io<\/h3>\n<p><a href=\"https:\/\/www.msgsafe.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">MsgSafe.io<\/a>\u306f\u3001\u77e5\u540d\u5ea6\u3053\u305d\u4f4e\u3044\u3082\u306e\u306e\u3001\u8c4a\u5bcc\u306a\u30e1\u30fc\u30eb\u6a5f\u80fd\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u5bfe\u3059\u308b\u5805\u5b9f\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u6301\u3063\u305f\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u30e1\u30fc\u30eb\u6697\u53f7\u5316\u3092\u5b8c\u5168\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u305d\u306e\u4e3b\u8981\u306a\u6280\u8853\u696d\u52d9\u306f\u3001\u4e16\u754c\u3067\u6700\u3082\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u91cd\u3093\u3058\u308b\u53f8\u6cd5\u6a29\u306e1\u3064\u3067\u3042\u308b\u30ad\u30e5\u30e9\u30bd\u30fc\u5cf6\u3092\u62e0\u70b9\u306b\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/12\/pasted-image-0-2.jpg\" alt=\"MsgSafe.io\" width=\"1500\" height=\"936\"><figcaption class=\"wp-caption-text\">MsgSafe.io<\/figcaption><\/figure>\n<p>\u4ed6\u306b\u3082\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/professional-email-address\/\">\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3<\/a><\/li>\n<li>4096\u30d3\u30c3\u30c8\u306eGPG\u3001S\/MIME\u6697\u53f7\u5316\u30ad\u30fc\u3068\u8a3c\u660e\u66f8<\/li>\n<li>\u5373\u5e2d\u306e\u30e1\u30fc\u30eb\u30a8\u30a4\u30ea\u30a2\u30b9<\/li>\n<li>\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u96a0\u3059\u6a5f\u80fd<\/li>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u6d88\u3048\u308b\u5b89\u5168\u306a\u30c1\u30e3\u30c3\u30c8\u6a5f\u80fd<\/li>\n<li>\u5b89\u5168\u306a1\u5bfe1\u306e\u97f3\u58f0\u30fb\u52d5\u753b\u901a\u8a71<\/li>\n<li>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u5143\u3068\u9001\u4fe1\u7d4c\u8def\u306e\u5206\u6790<\/li>\n<li>\u8ffd\u8de1\u753b\u50cf\u306e\u8a8d\u8b58\u3068\u524a\u9664<\/li>\n<li>Android\u304a\u3088\u3073iOS\u5411\u3051\u30a2\u30d7\u30ea<\/li>\n<\/ul>\n<p>MsgSafe.io\u6700\u5927\u306e\u7279\u9577\u306f\u3001Gmail\u3084Proton Mail\u306a\u3069\u306e\u30e1\u30fc\u30eb\u30d7\u30ed\u30d0\u30a4\u30c0\u3068\u4f75\u7528\u3067\u304d\u308b\u70b9\u3067\u3059\u3002\u4f55\u304b\u3092\u65b0\u305f\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u308a\u5909\u66f4\u3092\u52a0\u3048\u305f\u308a\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u3053\u308c\u307e\u3067\u901a\u308a\u306e\u30e1\u30fc\u30eb\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30e1\u30fc\u30eb\u3092\u4fdd\u5b58\u305b\u305a\u306bMsgSafe.io\u306b\u8ee2\u9001\u3059\u308c\u3070\u3001\u6cd5\u57f7\u884c\u6a5f\u95a2\u3067\u3055\u3048\u3082\u30e1\u30fc\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u4fa1\u683c<\/strong>\uff1a1GB\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u4ed8\u5e2f\u3057\u305f\u7121\u6599\u30d7\u30e9\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u3088\u308a\u9ad8\u5ea6\u306a\u30d7\u30e9\u30f3\u306f\u6708\u984d6\u30c9\u30eb\u304b\u3089\uff08\u5e74\u6255\u3044\u3067\u5272\u5f15\u3042\u308a\uff09\u3002<\/p>\n<p><strong>\u304a\u3059\u3059\u3081\u30e6\u30fc\u30b6\u30fc<\/strong>\uff1a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3084\u653f\u5e9c\u306b\u3088\u308b\u30b9\u30d1\u30a4\u884c\u70ba\u7b49\u3092\u61f8\u5ff5\u3057\u3066\u3044\u308b\u65b9<\/p>\n<h2>\u81ea\u793e\u306b\u9069\u3057\u305fGmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3068\u306f<\/h2>\n<p>Gmail\u306b\u4ee3\u308f\u308b\u512a\u308c\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u76ee\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol start=\"1\">\n<li><strong>\u4fa1\u683c<\/strong>\u2500\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u4e00\u5ea6\u304d\u308a\u306e\u8cb7\u3044\u7269\u3068\u3044\u3046\u308f\u3051\u306b\u306f\u3044\u304d\u307e\u305b\u3093\u3002\u4f55\u30f6\u6708\u305d\u3057\u3066\u4f55\u5e74\u3082\u4f7f\u3044\u7d9a\u3051\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u9577\u671f\u7684\u306b\u898b\u3066\u4e88\u7b97\u306b\u5408\u3046\u30b5\u30fc\u30d3\u30b9\u3092\u9078\u3073\u307e\u3057\u3087\u3046\u3002<\/li>\n<li><strong>\u30c7\u30b6\u30a4\u30f3<\/strong>\u2500Snapchat\u3084Discord\u3068\u306f\u7570\u306a\u308a\u3001\u30e1\u30fc\u30eb\u306f\u5fc5\u8981\u4e0d\u53ef\u6b20\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3002\u305d\u306e\u305f\u3081\u3001\u4f7f\u3044\u306b\u304f\u3044\u30a2\u30d7\u30ea\u306fNG\u3002\u4f7f\u3044\u3084\u3059\u3044\u3082\u306e\u3067\u306a\u3051\u308c\u3070\u3001Gmail\u304b\u3089\u79fb\u884c\u3059\u308b\u76ee\u7684\u81ea\u4f53\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u5229\u7528\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u6c7a\u3081\u308b\u524d\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u78ba\u8a8d\u3057\u3001\u6bce\u65e5\u4f55\u6642\u9593\u3082\u4f7f\u7528\u3059\u308b\u306e\u306b\u554f\u984c\u306f\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30b9\u30c8\u30ec\u30fc\u30b8<\/strong>\u2500\u307b\u3068\u3093\u3069\u306e\u72ec\u7acb\u7cfb\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30671GB\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u304c\u3001Google\u304c\u63d0\u4f9b\u3059\u308b15GB\u3068\u6bd4\u8f03\u3059\u308c\u3070\u898b\u52a3\u308a\u3057\u307e\u3059\u3002\u5927\u91cf\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3092<a href=\"https:\/\/kinsta.com\/blog\/what-is-cloud-storage\/\">\u8ffd\u52a0\u8cfc\u5165<\/a>\u3067\u304d\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/li>\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong>\u2500\u4e8b\u696d\u306e\u6210\u9577\u306b\u5fdc\u3058\u3066\u30e6\u30fc\u30b6\u30fc\u3092\u5897\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3002\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3084\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u306f\u3044\u304f\u3064\u4f5c\u6210\u3067\u304d\u308b\u306e\u304b\u3002\u7279\u306b\u30d3\u30b8\u30cd\u30b9\u7528\u306e\u30e1\u30fc\u30eb\u3067\u3042\u308c\u3070\u3001\u5c06\u6765\u7684\u306b\u4f55\u304b\u3057\u3089\u306e\u5236\u9650\u304c\u751f\u3058\u308b\u3053\u3068\u306f\u907f\u3051\u305f\u3044\u3082\u306e\u3067\u3059\u3002<\/li>\n<li><strong>\u79fb\u884c<\/strong>\u2500Gmail\u304b\u3089\u5225\u306a\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u3078\u306e\u79fb\u884c\u306f\u7c21\u5358\u304b\u3002\u30c7\u30fc\u30bf\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u306f\u306a\u3044\u304b\u3002\u512a\u308c\u305f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u9078\u3079\u3070\u3001\u5fc5\u8981\u306a\u30b5\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u3089\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/li>\n<\/ol>\n<p>\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u4f55\u306e\u6c17\u306a\u3057\u306b\u5927\u4f01\u696d\u306e\u683c\u5b89\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u306a\u305c\u5b89\u4fa1\u306b\u5229\u7528\u3067\u304d\u308b\u306e\u304b\u3068\u3044\u3046\u3053\u3068\u306b\u6ce8\u76ee\u3059\u308b\u4eba\u306f\u307b\u3068\u3093\u3069\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306b\u79fb\u884c\u3059\u308c\u3070\u3001\u73fe\u5728\u3088\u308a\u3082\u8cbb\u7528\u304c\u304b\u304b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u3068\u5f15\u304d\u63db\u3048\u306b\u3001\u9ad8\u5ea6\u306a\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fdd\u8b77\u3068\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u3054\u7d39\u4ecb\u3057\u305f\u3044\u304f\u3064\u304b\u306e\u9078\u629e\u80a2\u3067\u306fGmail\u3092\u7d71\u5408\u3067\u304d\u308b\u3082\u306e\u3082\u3042\u308a\u3001\u4e21\u8005\u306e\u3044\u3044\u3068\u3053\u53d6\u308a\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u304a\u5206\u304b\u308a\u306e\u901a\u308a\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u300d\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u5fc5\u305a\u3057\u3082\u8ce2\u3044\u9078\u629e\u80a2\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u7279\u306b\u81ea\u793e\u306e\u30c7\u30fc\u30bf\u306b\u9650\u3089\u305a\u3001\u5927\u5207\u306a\u9867\u5ba2\u3001\u53d6\u5f15\u5148\u3001\u30d3\u30b8\u30cd\u30b9\u30d1\u30fc\u30c8\u30ca\u30fc\u306e\u30c7\u30fc\u30bf\u3082\u95a2\u4fc2\u3057\u3066\u304f\u308b\u3053\u3068\u3092\u8003\u3048\u308c\u3070\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u901a\u4fe1\u306e\u5b89\u5168\u6027\u306e\u78ba\u4fdd\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/wordpress-hosting\/security\/\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u91cd\u8996\u3057\u305f\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9<\/a>\u3092\u304a\u63a2\u3057\u306a\u3089\u3001Kinsta\u306e\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u30d7\u30e9\u30f3\u3092\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>230,000\u4ee5\u4e0a\u4ee5\u4e0a\u306e\u4f01\u696d\u30685\u4e075,000\u4eba\u306e\u958b\u767a\u8005\u3068\u8d77\u696d\u5bb6\u306e\u7686\u69d8\u304c\u3001Kinsta\u3067\u5b89\u5168\u306bWordPress\u30b5\u30a4\u30c8\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u904b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u901f\u306eCPU\u3001\u7d71\u5408\u578b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u8996\u30c4\u30fc\u30eb\u3001\u30b0\u30ed\u30fc\u30d0\u30ebCDN\u3001Cloudflare\u7d71\u5408\u306b\u3088\u308bIP\u30d9\u30fc\u30b9\u304a\u3088\u3073\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7528\u3044\u305f\u4fdd\u8b77\u3001\u4e00\u6d41\u306e\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u3092\u3054\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/\">Kinsta\u306b\u7121\u6599\u3067\u30b5\u30a4\u30c8\u3092\u79fb\u884c<\/a>\u3057\u3066\u3001\u30b9\u30d4\u30fc\u30c9\u3068\u512a\u308c\u305f\u5b89\u5b9a\u6027\u3092\u3054\u4f53\u9a13\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gmail\u306f\u3001\u73fe\u5728\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3067\u3001\u305d &#8230;<\/p>\n","protected":false},"author":103,"featured_media":44363,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[752,767],"class_list":["post-40985","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-business-tools","topic-email-marketing-tips"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078\uff5cKinsta\u00ae<\/title>\n<meta name=\"description\" content=\"\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u3079\u304d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300113\u306e\u304a\u3059\u3059\u3081Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3068\u4f7f\u7528\u4e8b\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078\" \/>\n<meta property=\"og:description\" content=\"\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u3079\u304d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300113\u306e\u304a\u3059\u3059\u3081Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3068\u4f7f\u7528\u4e8b\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/\" \/>\n<meta property=\"og:site_name\" content=\"Kinsta\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-16T15:36:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-29T13:51:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1460\" \/>\n\t<meta property=\"og:image:height\" content=\"730\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Matteo Du\u00f2\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u3079\u304d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300113\u306e\u304a\u3059\u3059\u3081Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3068\u4f7f\u7528\u4e8b\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg\" \/>\n<meta name=\"twitter:creator\" content=\"@matteoduo\" \/>\n<meta name=\"twitter:site\" content=\"@Kinsta_JP\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Matteo Du\u00f2\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/\"},\"author\":{\"name\":\"Matteo Du\u00f2\",\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/person\/9d811e805493f00205e6409451055174\"},\"headline\":\"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078\",\"datePublished\":\"2023-01-16T15:36:56+00:00\",\"dateModified\":\"2025-09-29T13:51:49+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/\"},\"wordCount\":348,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/kinsta.com\/jp\/#organization\"},\"image\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg\",\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/\",\"url\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/\",\"name\":\"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078\uff5cKinsta\u00ae\",\"isPartOf\":{\"@id\":\"https:\/\/kinsta.com\/jp\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg\",\"datePublished\":\"2023-01-16T15:36:56+00:00\",\"dateModified\":\"2025-09-29T13:51:49+00:00\",\"description\":\"\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u3079\u304d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300113\u306e\u304a\u3059\u3059\u3081Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3068\u4f7f\u7528\u4e8b\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#primaryimage\",\"url\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg\",\"contentUrl\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg\",\"width\":1460,\"height\":730,\"caption\":\"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/kinsta.com\/jp\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u30d3\u30b8\u30cd\u30b9\u30c4\u30fc\u30eb\",\"item\":\"https:\/\/kinsta.com\/jp\/topics\/business-tools\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/kinsta.com\/jp\/#website\",\"url\":\"https:\/\/kinsta.com\/jp\/\",\"name\":\"Kinsta\u00ae\",\"description\":\"\u9ad8\u901f\u304b\u3064\u5805\u7262\u306a\u30d7\u30ec\u30df\u30a2\u30e0\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9\",\"publisher\":{\"@id\":\"https:\/\/kinsta.com\/jp\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/kinsta.com\/jp\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/kinsta.com\/jp\/#organization\",\"name\":\"Kinsta\",\"url\":\"https:\/\/kinsta.com\/jp\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/12\/kinsta-logo.jpeg\",\"contentUrl\":\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/12\/kinsta-logo.jpeg\",\"width\":500,\"height\":500,\"caption\":\"Kinsta\"},\"image\":{\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\",\"https:\/\/x.com\/Kinsta_JP\",\"https:\/\/www.instagram.com\/kinstahosting\/\",\"https:\/\/www.linkedin.com\/company\/kinsta\/\",\"https:\/\/www.pinterest.com\/kinstahosting\/\",\"https:\/\/www.youtube.com\/c\/Kinsta\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/person\/9d811e805493f00205e6409451055174\",\"name\":\"Matteo Du\u00f2\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/kinsta.com\/jp\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/78636e34d9c125b93efb7e0893a776f8?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/78636e34d9c125b93efb7e0893a776f8?s=96&d=mm&r=g\",\"caption\":\"Matteo Du\u00f2\"},\"description\":\"Head of Content at Kinsta and Content Marketing Consultant for WordPress plugin developers. Connect with Matteo on Twitter.\",\"sameAs\":[\"https:\/\/www.matteoduo.com\",\"https:\/\/www.linkedin.com\/in\/matteoduo\/\",\"https:\/\/x.com\/matteoduo\"],\"url\":\"https:\/\/kinsta.com\/jp\/blog\/author\/matteoduo\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078\uff5cKinsta\u00ae","description":"\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u3079\u304d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300113\u306e\u304a\u3059\u3059\u3081Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3068\u4f7f\u7528\u4e8b\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/","og_locale":"ja_JP","og_type":"article","og_title":"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078","og_description":"\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u3079\u304d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300113\u306e\u304a\u3059\u3059\u3081Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3068\u4f7f\u7528\u4e8b\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002","og_url":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/","og_site_name":"Kinsta\u00ae","article_publisher":"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/","article_published_time":"2023-01-16T15:36:56+00:00","article_modified_time":"2025-09-29T13:51:49+00:00","og_image":[{"width":1460,"height":730,"url":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg","type":"image\/jpeg"}],"author":"Matteo Du\u00f2","twitter_card":"summary_large_image","twitter_description":"\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u3079\u304d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300113\u306e\u304a\u3059\u3059\u3081Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3068\u4f7f\u7528\u4e8b\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002","twitter_image":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg","twitter_creator":"@matteoduo","twitter_site":"@Kinsta_JP","twitter_misc":{"\u57f7\u7b46\u8005":"Matteo Du\u00f2","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"5\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#article","isPartOf":{"@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/"},"author":{"name":"Matteo Du\u00f2","@id":"https:\/\/kinsta.com\/jp\/#\/schema\/person\/9d811e805493f00205e6409451055174"},"headline":"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078","datePublished":"2023-01-16T15:36:56+00:00","dateModified":"2025-09-29T13:51:49+00:00","mainEntityOfPage":{"@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/"},"wordCount":348,"commentCount":0,"publisher":{"@id":"https:\/\/kinsta.com\/jp\/#organization"},"image":{"@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#primaryimage"},"thumbnailUrl":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg","inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/","url":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/","name":"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078\uff5cKinsta\u00ae","isPartOf":{"@id":"https:\/\/kinsta.com\/jp\/#website"},"primaryImageOfPage":{"@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#primaryimage"},"image":{"@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#primaryimage"},"thumbnailUrl":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg","datePublished":"2023-01-16T15:36:56+00:00","dateModified":"2025-09-29T13:51:49+00:00","description":"\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001Gmail\u4ee5\u5916\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u3079\u304d\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300113\u306e\u304a\u3059\u3059\u3081Gmail\u4ee3\u66ff\u30b5\u30fc\u30d3\u30b9\u3068\u4f7f\u7528\u4e8b\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002","breadcrumb":{"@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#primaryimage","url":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg","contentUrl":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/01\/gmail-alternative.jpeg","width":1460,"height":730,"caption":"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078"},{"@type":"BreadcrumbList","@id":"https:\/\/kinsta.com\/jp\/blog\/gmail-alternative\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kinsta.com\/jp\/"},{"@type":"ListItem","position":2,"name":"\u30d3\u30b8\u30cd\u30b9\u30c4\u30fc\u30eb","item":"https:\/\/kinsta.com\/jp\/topics\/business-tools\/"},{"@type":"ListItem","position":3,"name":"\u304a\u3059\u3059\u3081\u306eGmail\u4ee3\u66ff\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b913\u9078"}]},{"@type":"WebSite","@id":"https:\/\/kinsta.com\/jp\/#website","url":"https:\/\/kinsta.com\/jp\/","name":"Kinsta\u00ae","description":"\u9ad8\u901f\u304b\u3064\u5805\u7262\u306a\u30d7\u30ec\u30df\u30a2\u30e0\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9","publisher":{"@id":"https:\/\/kinsta.com\/jp\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kinsta.com\/jp\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/kinsta.com\/jp\/#organization","name":"Kinsta","url":"https:\/\/kinsta.com\/jp\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/kinsta.com\/jp\/#\/schema\/logo\/image\/","url":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/12\/kinsta-logo.jpeg","contentUrl":"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2023\/12\/kinsta-logo.jpeg","width":500,"height":500,"caption":"Kinsta"},"image":{"@id":"https:\/\/kinsta.com\/jp\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/","https:\/\/x.com\/Kinsta_JP","https:\/\/www.instagram.com\/kinstahosting\/","https:\/\/www.linkedin.com\/company\/kinsta\/","https:\/\/www.pinterest.com\/kinstahosting\/","https:\/\/www.youtube.com\/c\/Kinsta"]},{"@type":"Person","@id":"https:\/\/kinsta.com\/jp\/#\/schema\/person\/9d811e805493f00205e6409451055174","name":"Matteo Du\u00f2","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/kinsta.com\/jp\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/78636e34d9c125b93efb7e0893a776f8?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/78636e34d9c125b93efb7e0893a776f8?s=96&d=mm&r=g","caption":"Matteo Du\u00f2"},"description":"Head of Content at Kinsta and Content Marketing Consultant for WordPress plugin developers. Connect with Matteo on Twitter.","sameAs":["https:\/\/www.matteoduo.com","https:\/\/www.linkedin.com\/in\/matteoduo\/","https:\/\/x.com\/matteoduo"],"url":"https:\/\/kinsta.com\/jp\/blog\/author\/matteoduo\/"}]}},"acf":[],"_links":{"self":[{"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/posts\/40985","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/users\/103"}],"replies":[{"embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/comments?post=40985"}],"version-history":[{"count":14,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/posts\/40985\/revisions"}],"predecessor-version":[{"id":66426,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/posts\/40985\/revisions\/66426"}],"alternate":[{"embeddable":true,"hreflang":"en","title":"English","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/en"},{"embeddable":true,"hreflang":"it","title":"Italian","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/it"},{"embeddable":true,"hreflang":"pt","title":"Portuguese","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/pt"},{"embeddable":true,"hreflang":"fr","title":"French","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/fr"},{"embeddable":true,"hreflang":"de","title":"German","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/de"},{"embeddable":true,"hreflang":"ja","title":"Japanese","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/jp"},{"embeddable":true,"hreflang":"nl","title":"Dutch","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/nl"},{"embeddable":true,"hreflang":"es","title":"Spanish","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/es"},{"embeddable":true,"hreflang":"sv","title":"Swedish","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/se"},{"embeddable":true,"hreflang":"da","title":"Danish","href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/translations\/dk"},{"href":"https:\/\/kinsta.com\/jp\/wp-json\/kinsta\/v1\/posts\/40985\/tree"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/media\/44363"}],"wp:attachment":[{"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/media?parent=40985"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/tags?post=40985"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/kinsta.com\/jp\/wp-json\/wp\/v2\/topic?post=40985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}