{"id":30901,"date":"2026-10-09T22:07:06","date_gmt":"2026-10-09T13:07:06","guid":{"rendered":"https:\/\/motoki-design.co.jp\/wordpress\/server-migration-mail-check\/"},"modified":"2026-10-09T22:07:44","modified_gmt":"2026-10-09T13:07:44","slug":"server-migration-mail-check","status":"publish","type":"post","link":"https:\/\/motoki-design.co.jp\/wordpress\/server-migration-mail-check\/","title":{"rendered":"\u30b5\u30fc\u30d0\u30fc\u79fb\u8ee2\u5f8c\u306e\u30e1\u30fc\u30eb\u78ba\u8a8d\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff5c\u304a\u554f\u3044\u5408\u308f\u305b\u304c\u5c4a\u304b\u306a\u304f\u306a\u308b\u539f\u56e0\u3068\u78ba\u304b\u3081\u65b9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30b5\u30fc\u30d0\u30fc\u79fb\u8ee2\u3067\u3001\u30b5\u30a4\u30c8\u306e\u8868\u793a\u306f\u78ba\u304b\u3081\u3066\u3082\u3001\u30e1\u30fc\u30eb\u306f\u78ba\u304b\u3081\u5fd8\u308c\u304c\u3061\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u306f\u58ca\u308c\u3066\u3082\u753b\u9762\u306b\u51fa\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u304a\u554f\u3044\u5408\u308f\u305b\u3092\u9001\u3063\u305f\u4eba\u306b\u306f\u300c\u9001\u4fe1\u3057\u307e\u3057\u305f\u300d\u3068\u51fa\u3066\u3001\u904b\u55b6\u8005\u306b\u306f\u4f55\u3082\u5c4a\u304b\u306a\u3044\u3001\u3068\u3044\u3046\u72b6\u614b\u304c\u7d9a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b46\u8005\u306e\u30b5\u30a4\u30c8\u3067\u3082\u3001\u79fb\u8ee2\u306e2\u9031\u9593\u307b\u3069\u3042\u3068\u306b\u3001\u304a\u554f\u3044\u5408\u308f\u305b\u306e\u30e1\u30fc\u30eb\u304c\u6b62\u307e\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u79fb\u8ee2\u306e\u3042\u3068\u306b\u30e1\u30fc\u30eb\u3092\u78ba\u304b\u3081\u308b\u9806\u756a\u3068\u3001\u305d\u306e\u65b9\u6cd5\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3053\u306e\u8a18\u4e8b\u3067\u5206\u304b\u308b\u3053\u3068<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u79fb\u8ee2\u306e\u3042\u3068\u3067\u30e1\u30fc\u30eb\u3060\u3051\u304c\u58ca\u308c\u308b\u30014\u3064\u306e\u539f\u56e0<\/li>\n\n\n<li>WordPress\u306e\u9001\u4fe1\u8a2d\u5b9a\u306e\u3069\u3053\u3092\u898b\u308b\u304b<\/li>\n\n\n<li>wp_mail\u3092\u76f4\u63a5\u8a66\u3059\u65b9\u6cd5\u3068\u3001\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u8a66\u3059\u65b9\u6cd5<\/li>\n\n\n<li>DNS\u3068\u65e7\u30b5\u30fc\u30d0\u30fc\u306e\u53d7\u4fe1\u7bb1\u3067\u78ba\u304b\u3081\u308b\u3053\u3068<\/li>\n\n\n<li>\u78ba\u8a8d\u3092\u6bce\u9031\u306e\u81ea\u52d5\u30c6\u30b9\u30c8\u306b\u3059\u308b\u65b9\u6cd5<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6\uff1a\u78ba\u304b\u3081\u308b\u9806\u756a<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th style=\"min-width:8em !important\">\u9806\u756a<\/th><th>\u78ba\u304b\u3081\u308b\u3053\u3068<\/th><th>\u898b\u3064\u304b\u308b\u58ca\u308c\u65b9<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>WordPress\u306e\u9001\u4fe1\u8a2d\u5b9a\uff08SMTP\uff09\u306e\u30db\u30b9\u30c8\u540d<\/td><td>\u65e7\u30b5\u30fc\u30d0\u30fc\u540d\u306e\u307e\u307e\u8a8d\u8a3c\u306b\u5931\u6557\u3059\u308b<\/td><\/tr><tr><td>2<\/td><td>wp_mail\u3092\u76f4\u63a5\u547c\u3076<\/td><td>\u8a2d\u5b9a\u306e\u6709\u7121\u306b\u95a2\u4fc2\u306a\u304f\u9001\u308c\u308b\u304b<\/td><\/tr><tr><td>3<\/td><td>\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u672c\u5f53\u306b\u9001\u308b<\/td><td>\u7ba1\u7406\u8005\u5b9b\u3068\u81ea\u52d5\u8fd4\u4fe1\u306e\u4e21\u65b9\u304c\u5c4a\u304f\u304b<\/td><\/tr><tr><td>4<\/td><td>DNS\uff08MX\u30fbSPF\u30fbDKIM\u30fbDMARC\uff09<\/td><td>\u65e7\u30b5\u30fc\u30d0\u30fc\u540d\u304c\u6b8b\u3063\u3066\u8ff7\u60d1\u30e1\u30fc\u30eb\u6271\u3044<\/td><\/tr><tr><td>5<\/td><td>\u65e7\u30b5\u30fc\u30d0\u30fc\u306e\u53d7\u4fe1\u7bb1<\/td><td>\u65e7\u30b5\u30fc\u30d0\u30fc\u304c\u81ea\u5206\u3067\u53d7\u3051\u53d6\u3063\u3066\u6b62\u3081\u3066\u3044\u308b<\/td><\/tr><tr><td>6<\/td><td>\u901a\u77e5\u7cfb\uff08\u30b3\u30e1\u30f3\u30c8\u30fb\u66f4\u65b0\u30fb\u8cfc\u5165\uff09<\/td><td>\u30d5\u30a9\u30fc\u30e0\u4ee5\u5916\u306e\u9001\u4fe1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">1\u30682\u306f\u6570\u5206\u3067\u7d42\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\u306f\u5b9f\u969b\u306b\u9001\u308b\u306e\u3067\u3001\u53d7\u4fe1\u7bb1\u3092\u898b\u3089\u308c\u308b\u72b6\u614b\u3067\u3084\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c\u79fb\u8ee2\u306e\u3042\u3068\u306b\u30e1\u30fc\u30eb\u3060\u3051\u58ca\u308c\u308b\u306e\u304b<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WordPress\u306eSMTP\u8a2d\u5b9a\uff08\u30d7\u30e9\u30b0\u30a4\u30f3\u3084Code Snippets\uff09\u306b\u3001\u65e7\u30b5\u30fc\u30d0\u30fc\u306e\u30db\u30b9\u30c8\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u5165\u3063\u3066\u3044\u308b<\/li>\n\n\n<li>DNS\u306eSPF\u30ec\u30b3\u30fc\u30c9\u306b\u65e7\u30b5\u30fc\u30d0\u30fc\u540d\u304c\u66f8\u304b\u308c\u3066\u3044\u3066\u3001\u65b0\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u9001\u4fe1\u304c\u8a8d\u8a3c\u306b\u843d\u3061\u308b<\/li>\n\n\n<li>\u30c9\u30e1\u30a4\u30f3\u306e\u30e1\u30fc\u30eb\u8a2d\u5b9a\u304c\u65e7\u30b5\u30fc\u30d0\u30fc\u306b\u6b8b\u3063\u3066\u3044\u3066\u3001\u65e7\u30b5\u30fc\u30d0\u30fc\u304c\u81ea\u5206\u5b9b\u3066\u3068\u3057\u3066\u53d7\u3051\u53d6\u3063\u3066\u3057\u307e\u3046<\/li>\n\n\n<li>\u30e1\u30fc\u30eb\u7bb1\u306e\u30c7\u30fc\u30bf\u3092\u79fb\u3057\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u8ee2\u9001\u306e\u8a2d\u5b9a\u304c\u65e7\u30b5\u30fc\u30d0\u30fc\u306b\u3057\u304b\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u308c\u3082\u3001\u30b5\u30a4\u30c8\u306e\u8868\u793a\u3068\u306f\u95a2\u4fc2\u306a\u304f\u8d77\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u79fb\u8ee2\u306e\u4f5c\u696d\u306b\u300c\u30e1\u30fc\u30eb\u300d\u306e\u9805\u76ee\u3092\u5165\u308c\u3066\u304a\u304b\u306a\u3044\u3068\u3001\u6c17\u3065\u304f\u306e\u306f\u554f\u3044\u5408\u308f\u305b\u304c\u6765\u306a\u3044\u3068\u611f\u3058\u305f\u3068\u304d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. WordPress\u306e\u9001\u4fe1\u8a2d\u5b9a\u3092\u63a2\u3059<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u304c\u5916\u90e8\u306eSMTP\u3067\u9001\u308b\u8a2d\u5b9a\u306f\u3001\u6b21\u306e3\u304b\u6240\u306e\u3069\u308c\u304b\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SMTP\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\uff08WP Mail SMTP\u306a\u3069\uff09\u306e\u8a2d\u5b9a\u753b\u9762<\/li>\n\n\n<li>Code Snippets\u306b\u5165\u308c\u305f <code>phpmailer_init<\/code> \u306e\u30b3\u30fc\u30c9<\/li>\n\n\n<li>\u30c6\u30fc\u30de\u306e functions.php \u3084 wp-config.php<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SSH\u3067\u5165\u308c\u308b\u306a\u3089\u3001\u6b21\u306e\u3088\u3046\u306b\u63a2\u3059\u3068\u65e9\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\"><code>cd public_html\ngrep -rn -i 'phpmailer_init\\|isSMTP' \\\n  wp-content\/mu-plugins \\\n  wp-content\/themes\/*\/functions.php \\\n  wp-config.php<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Code Snippets\u306e\u30b3\u30fc\u30c9\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u3042\u308b\u306e\u3067\u3001\u7ba1\u7406\u753b\u9762\u306e\u4e00\u89a7\u3067\u300cSMTP\u300d\u300cmail\u300d\u3067\u63a2\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u898b\u3064\u3051\u305f\u3089\u3001<code>Host<\/code> \u304c\u4eca\u306e\u30b5\u30fc\u30d0\u30fc\u540d\u304b\u3001<code>Username<\/code> \u3068 <code>Password<\/code> \u304c\u4eca\u306e\u30e1\u30fc\u30eb\u7bb1\u306e\u3082\u306e\u304b\u3092\u78ba\u304b\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b46\u8005\u306e\u5834\u5408\u306f\u30012025\u5e74\u306b\u4f5c\u3063\u305f\u30b9\u30cb\u30da\u30c3\u30c8\u306e <code>Host<\/code> \u304c\u79fb\u8ee2\u524d\u306e\u30b5\u30fc\u30d0\u30fc\u540d\u306e\u307e\u307e\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u79fb\u8ee2\u306e\u3042\u3068\u3057\u3070\u3089\u304f\u306f\u65e7\u30b5\u30fc\u30d0\u30fc\u304c\u8a8d\u8a3c\u3092\u53d7\u3051\u4ed8\u3051\u3066\u3044\u305f\u306e\u3067\u3001\u3059\u3050\u306b\u306f\u58ca\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e7\u30b5\u30fc\u30d0\u30fc\u304c\u6b62\u307e\u3063\u305f\u6642\u70b9\u3067\u3001\u5168\u90e8\u306e\u30e1\u30fc\u30eb\u304c\u300cSMTP \u30a8\u30e9\u30fc: \u8a8d\u8a3c\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u300d\u3067\u5931\u6557\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-phpmailer\/\">WordPress\u3092\u30b3\u30fc\u30c9\u3060\u3051\u3067SMTP\u5316\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. wp_mail\u3092\u76f4\u63a5\u8a66\u3059<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30a9\u30fc\u30e0\u3092\u4f7f\u308f\u305a\u306b\u3001WordPress\u306e\u9001\u4fe1\u3060\u3051\u3092\u8a66\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WP-CLI\u304c\u4f7f\u3048\u308b\u306a\u3089\u3001\u6b21\u306e1\u884c\u3067\u7d50\u679c\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\"><code>wp eval 'add_action(\"wp_mail_failed\",\n  function($e){echo \"FAILED: \".$e-&gt;get_error_message().\"\\n\";});\nvar_dump(wp_mail(\"info@example.com\",\n  \"\u79fb\u8ee2\u5f8c\u306e\u9001\u4fe1\u30c6\u30b9\u30c8\", \"\u5c4a\u3044\u305f\u3089\u6210\u529f\"));'<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><code>bool(true)<\/code> \u3068\u51fa\u3066\u3001\u53d7\u4fe1\u7bb1\u306b\u5c4a\u3051\u3070\u3001\u9001\u4fe1\u306e\u8a2d\u5b9a\u306f\u6b63\u5e38\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>FAILED:<\/code> \u306e\u5f8c\u308d\u306b\u7406\u7531\u304c\u51fa\u305f\u3089\u3001\u305d\u308c\u304c\u76f4\u3059\u5834\u6240\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SMTP\u306e\u8a2d\u5b9a\u3092\u4e00\u6642\u7684\u306b\u5916\u3057\u3066\u8a66\u3057\u305f\u3044\u3068\u304d\u306f\u3001<code>wp eval<\/code> \u306e\u4e2d\u3067\u5148\u306b <code>remove_all_actions(\"phpmailer_init\");<\/code> \u3092\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u3067\u5c4a\u304f\u306a\u3089\u3001\u30b5\u30fc\u30d0\u30fc\u6a19\u6e96\u306e\u9001\u4fe1\u306f\u751f\u304d\u3066\u3044\u3066\u3001SMTP\u306e\u8a2d\u5b9a\u3060\u3051\u304c\u58ca\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u30d5\u30a9\u30fc\u30e0\u304b\u3089\u672c\u5f53\u306b\u9001\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9001\u4fe1\u306e\u8a2d\u5b9a\u304c\u6b63\u5e38\u3067\u3082\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\uff08\u5b9b\u5148\u30fb\u5dee\u51fa\u4eba\u30fb\u81ea\u52d5\u8fd4\u4fe1\uff09\u306f\u5225\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u5206\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u3001\u5b9f\u969b\u306b1\u4ef6\u9001\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ba1\u7406\u8005\u5b9b\u306e\u30e1\u30fc\u30eb\u304c\u5c4a\u304f\u304b<\/li>\n\n\n<li>\u81ea\u52d5\u8fd4\u4fe1\u304c\u3001\u5165\u529b\u3057\u305f\u30a2\u30c9\u30ec\u30b9\u306b\u5c4a\u304f\u304b<\/li>\n\n\n<li>\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u5165\u3063\u3066\u3044\u306a\u3044\u304b<\/li>\n\n\n<li>\u5dee\u51fa\u4eba\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u3001\u4eca\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u3082\u306e\u306b\u306a\u3063\u3066\u3044\u308b\u304b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Snow Monkey Forms\u306f\u3001\u7ba1\u7406\u8005\u5b9b\u306e\u9001\u4fe1\u306b\u5931\u6557\u3059\u308b\u3068\u300c\u7ba1\u7406\u8005\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u300d\u3068\u753b\u9762\u306b\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u5b8c\u4e86\u30da\u30fc\u30b8\u3078\u306e\u8ee2\u9001\u3092JavaScript\u3067\u8db3\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u8868\u793a\u3092\u898b\u306a\u3044\u307e\u307e\u5b8c\u4e86\u30da\u30fc\u30b8\u306b\u79fb\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ee2\u9001\u306f\u3001\u5b8c\u4e86\u306e\u5fdc\u7b54\u304c\u8fd4\u3063\u3066\u304b\u3089\u52d5\u304f\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/snow-monkey-forms-settings\/\">Snow Monkey Forms\u306e\u4f7f\u3044\u65b9<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. DNS\u306b\u65e7\u30b5\u30fc\u30d0\u30fc\u540d\u304c\u6b8b\u3063\u3066\u3044\u306a\u3044\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30eb\u306e\u8a8d\u8a3c\uff08SPF\u30fbDKIM\u30fbDMARC\uff09\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u306eDNS\u306b\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF\u306b <code>a:\u65e7\u30b5\u30fc\u30d0\u30fc\u540d<\/code> \u3084\u65e7\u30b5\u30fc\u30d0\u30fc\u306eIP\u304c\u6b8b\u3063\u3066\u3044\u308b\u3068\u3001\u65b0\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9001\u3063\u305f\u30e1\u30fc\u30eb\u304c\u8a8d\u8a3c\u306b\u843d\u3061\u3001\u8ff7\u60d1\u30e1\u30fc\u30eb\u306b\u5165\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MX\u30ec\u30b3\u30fc\u30c9\u304c\u65e7\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u3057\u305f\u307e\u307e\u306a\u3089\u3001\u53d7\u4fe1\u304c\u65e7\u30b5\u30fc\u30d0\u30fc\u306b\u884c\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th style=\"min-width:8em !important\">\u30ec\u30b3\u30fc\u30c9<\/th><th>\u5f79\u5272<\/th><th>\u78ba\u304b\u3081\u308b\u3053\u3068<\/th><\/tr><\/thead><tbody><tr><td>MX<\/td><td>\u53d7\u4fe1\u3059\u308b\u30b5\u30fc\u30d0\u30fc<\/td><td>\u65b0\u30b5\u30fc\u30d0\u30fc\u306e\u6848\u5185\u3069\u304a\u308a\u304b<\/td><\/tr><tr><td>SPF<\/td><td>\u9001\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u30b5\u30fc\u30d0\u30fc<\/td><td>\u65b0\u30b5\u30fc\u30d0\u30fc\u540d\u304b\u3001\u65b0\u30b5\u30fc\u30d0\u30fc\u306e include \u304c\u5165\u3063\u3066\u3044\u308b\u304b<\/td><\/tr><tr><td>DKIM<\/td><td>\u9001\u4fe1\u306e\u7f72\u540d<\/td><td>\u65b0\u30b5\u30fc\u30d0\u30fc\u3067\u767a\u884c\u3057\u305f\u516c\u958b\u9375\u306b\u5dee\u3057\u66ff\u3048\u305f\u304b<\/td><\/tr><tr><td>DMARC<\/td><td>\u8a8d\u8a3c\u306b\u843d\u3061\u305f\u3068\u304d\u306e\u65b9\u91dd<\/td><td>p= \u306e\u5024\u304c\u610f\u56f3\u3069\u304a\u308a\u304b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/spf-dkim-dmarc-check\/\">SPF\u30fbDKIM\u30fbDMARC\u306e\u78ba\u8a8d\u65b9\u6cd5<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/dns-propagation-check\/\">DNS\u306e\u6d78\u900f\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u65e7\u30b5\u30fc\u30d0\u30fc\u306e\u53d7\u4fe1\u7bb1\u3092\u898b\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e7\u30b5\u30fc\u30d0\u30fc\u306b\u30c9\u30e1\u30a4\u30f3\u306e\u30e1\u30fc\u30eb\u8a2d\u5b9a\u304c\u6b8b\u3063\u3066\u3044\u308b\u3068\u3001\u65e7\u30b5\u30fc\u30d0\u30fc\u306f\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u5b9b\u3066\u306e\u30e1\u30fc\u30eb\u3092\u300c\u81ea\u5206\u306e\u62c5\u5f53\u300d\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e7\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u3057\u3066\u9001\u3063\u305f\u30e1\u30fc\u30eb\u304c\u3001\u65b0\u30b5\u30fc\u30d0\u30fc\u306b\u5c4a\u304b\u305a\u3001\u65e7\u30b5\u30fc\u30d0\u30fc\u306e\u53d7\u4fe1\u7bb1\u306b\u5165\u308b\u5f62\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u3001WordPress\u306eSMTP\u8a2d\u5b9a\u304c\u65e7\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u3057\u305f\u307e\u307e\u306e\u3068\u304d\u306b\u8d77\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e7\u30b5\u30fc\u30d0\u30fc\u306e\u5951\u7d04\u304c\u6b8b\u3063\u3066\u3044\u308b\u3046\u3061\u306b\u3001\u65e7\u30b5\u30fc\u30d0\u30fc\u306e\u30a6\u30a7\u30d6\u30e1\u30fc\u30eb\u3067\u53d7\u4fe1\u7bb1\u3092\u898b\u308b<\/li>\n\n\n<li>\u79fb\u8ee2\u306e\u65e5\u3088\u308a\u5f8c\u306e\u30e1\u30fc\u30eb\u304c\u5165\u3063\u3066\u3044\u305f\u3089\u3001\u8ee2\u9001\u3084\u4fdd\u5b58\u3067\u56de\u53ce\u3059\u308b<\/li>\n\n\n<li>\u65e7\u30b5\u30fc\u30d0\u30fc\u306e\u30e1\u30fc\u30eb\u8a2d\u5b9a\uff08\u30c9\u30e1\u30a4\u30f3\u306e\u767b\u9332\uff09\u3092\u6d88\u3059\u304b\u3001\u89e3\u7d04\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u7d04\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u3053\u306e\u78ba\u8a8d\u306f\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u7d04\u306e\u524d\u306b\u3001\u4e00\u5ea6\u306f\u898b\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u30d5\u30a9\u30fc\u30e0\u4ee5\u5916\u306e\u9001\u4fe1<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30e1\u30f3\u30c8\u306e\u901a\u77e5\u3001WordPress\u672c\u4f53\u306e\u66f4\u65b0\u901a\u77e5<\/li>\n\n\n<li>WooCommerce\u306e\u6ce8\u6587\u30e1\u30fc\u30eb<\/li>\n\n\n<li>\u4f1a\u54e1\u30b5\u30a4\u30c8\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u518d\u8a2d\u5b9a\u30e1\u30fc\u30eb<\/li>\n\n\n<li>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u5b8c\u4e86\u901a\u77e5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u308c\u3082wp_mail\u3092\u901a\u308b\u306e\u3067\u30012\u3067\u76f4\u308c\u3070\u76f4\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3001\u5b9b\u5148\u304c\u30b5\u30fc\u30d0\u30fc\u79fb\u8ee2\u306e\u524d\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u304b\u306f\u3001\u500b\u5225\u306b\u898b\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u6bce\u9031\u306e\u81ea\u52d5\u30c6\u30b9\u30c8\u306b\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u79fb\u8ee2\u306e\u76f4\u5f8c\u306b\u78ba\u304b\u3081\u3066\u3082\u3001SMTP\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u671f\u9650\u3084\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u5909\u66f4\u3067\u3001\u3042\u3068\u304b\u3089\u58ca\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b46\u8005\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u3092\u672c\u756a\u3068\u540c\u3058\u7d4c\u8def\u3067\u6bce\u9031\u81ea\u52d5\u3067\u9001\u308a\u3001\u5c4a\u304f\u307e\u3067\u3092\u78ba\u304b\u3081\u308b\u4ed5\u7d44\u307f\u3092\u5165\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4ed5\u7d44\u307f\u3092\u52d5\u304b\u3057\u305f\u521d\u65e5\u306b\u30011\u3067\u66f8\u3044\u305f\u58ca\u308c\u65b9\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/snow-monkey-forms-auto-test\/\">\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u3092\u6bce\u9031\u81ea\u52d5\u3067\u30c6\u30b9\u30c8\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u79fb\u8ee2\u306e\u524d\u306b\u78ba\u304b\u3081\u3066\u304a\u304f\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SMTP\u306e\u8a2d\u5b9a\u304c\u3069\u3053\u306b\u3042\u308b\u304b\u3092\u3001\u79fb\u8ee2\u306e\u524d\u306b\u63a7\u3048\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u79fb\u8ee2\u306e\u4f5c\u696d\u306e\u6700\u5f8c\u306b\u300c\u30d5\u30a9\u30fc\u30e0\u304b\u30891\u4ef6\u9001\u308b\u300d\u3092\u5165\u308c\u3066\u304a\u304f\u3068\u3001\u3053\u3053\u3067\u6b62\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u30b5\u30fc\u30d0\u30fc\u6a19\u6e96\u306e\u9001\u4fe1\u3067\u8db3\u308a\u307e\u3059\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u5171\u7528\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u3001SPF\u306b\u81ea\u793e\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u6a19\u6e96\u306e\u9001\u4fe1\u3067\u3082\u5c4a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SMTP\u3092\u4f7f\u3046\u306e\u306f\u3001\u9001\u4fe1\u5143\u30921\u3064\u306b\u305d\u308d\u3048\u305f\u3044\u3068\u304d\u3084\u3001\u5916\u90e8\u306e\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3046\u3068\u304d\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SMTP\u304c\u58ca\u308c\u305f\u3068\u304d\u306b\u6a19\u6e96\u306e\u9001\u4fe1\u3078\u623b\u305b\u308b\u3088\u3046\u3001\u8a2d\u5b9a\u306f1\u304b\u6240\u306b\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u6b62\u307e\u3063\u3066\u3044\u305f\u671f\u9593\u306e\u554f\u3044\u5408\u308f\u305b\u306f\u53d6\u308a\u623b\u305b\u307e\u3059\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e7\u30b5\u30fc\u30d0\u30fc\u306e\u53d7\u4fe1\u7bb1\u306b\u6b8b\u3063\u3066\u3044\u308c\u3070\u56de\u53ce\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9001\u4fe1\u306b\u5931\u6557\u3057\u3066\u3044\u305f\u5834\u5408\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u5185\u5bb9\u3092\u4fdd\u5b58\u3057\u3066\u3044\u306a\u3044\u9650\u308a\u6b8b\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u4e86\u30da\u30fc\u30b8\u306e\u30a2\u30af\u30bb\u30b9\u6570\uff08GA4\u306a\u3069\uff09\u3067\u3001\u6b62\u307e\u3063\u3066\u3044\u305f\u671f\u9593\u306b\u9001\u4fe1\u304c\u3042\u3063\u305f\u304b\u3069\u3046\u304b\u306f\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u79fb\u8ee2\u306e\u3042\u3068\u306f\u3001\u8868\u793a\u3060\u3051\u3067\u306a\u304f\u30e1\u30fc\u30eb\u3092\u78ba\u304b\u3081\u308b<\/li>\n\n\n<li>\u9806\u756a\u306f\u3001SMTP\u306e\u8a2d\u5b9a \u2192 wp_mail\u306e\u76f4\u63a5\u30c6\u30b9\u30c8 \u2192 \u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u308b \u2192 DNS \u2192 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