{"id":973,"date":"2023-06-29T16:57:45","date_gmt":"2023-06-29T07:57:45","guid":{"rendered":"https:\/\/www.meruhaikun.com\/blog\/?p=973"},"modified":"2023-09-26T15:06:23","modified_gmt":"2023-09-26T06:06:23","slug":"%e9%85%8d%e4%bf%a1%e3%81%97%e3%81%9f%e3%83%a1%e3%83%bc%e3%83%ab%e3%81%8c%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%a7%e8%bf%94%e3%81%a3%e3%81%a6%e3%81%8d%e3%81%9f%ef%bc%9f%ef%bc%81%e4%b8%80%e8%88%ac%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.meruhaikun.com\/blog\/?p=973","title":{"rendered":"\u914d\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u30a8\u30e9\u30fc\u3067\u8fd4\u3063\u3066\u304d\u305f\uff1f\uff01\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u305d\u306e\u610f\u5473\u3092\u7406\u89e3\u3057\u3088\u3046\uff01"},"content":{"rendered":"\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u4e00\u822c\u7684\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3068\u305d\u306e\u610f\u5473\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group single_contents is-style-twentytwentyone-border\"><div class=\"wp-block-group__inner-container\">\n<p>\u76ee\u6b21<\/p>\n\n\n\n<ul class=\"single_contents\"><li><a href=\"#m1\" data-type=\"internal\" data-id=\"#m1\">\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3068\u306f<\/a><\/li><li><a href=\"#m2\" data-type=\"internal\" data-id=\"#m2\">\u4ee3\u8868\u7684\u306a\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9<\/a><\/li><li><a href=\"#m3\" data-type=\"internal\" data-id=\"#m3\">Gmail\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u4e00\u89a7<\/a><ul><li><a href=\"#m3-1\" data-type=\"internal\" data-id=\"#m3-1\">4xx\u756a\u53f0\uff08\u4e00\u6642\u7684\u306a\u5931\u6557\uff09<\/a><\/li><li><a href=\"#m3-2\" data-type=\"internal\" data-id=\"#m3-2\">5xx\u756a\u53f0\uff08\u6c38\u7d9a\u7684\u306a\u5931\u6557\uff09<\/a><\/li><\/ul><\/li><li><a href=\"#m4\" data-type=\"internal\" data-id=\"#m4\">\u307e\u3068\u3081<\/a><\/li><\/ul>\n<\/div><\/div>\n\n\n\n<h2 id=\"m1\"><strong>\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3068\u306f<\/strong><\/h2>\n\n\n\n<p>\u30e1\u30fc\u30eb\u9001\u4fe1\u6642\u3001\u4f55\u3089\u304b\u306e\u7406\u7531\u3067\u30a8\u30e9\u30fc\u3068\u306a\u308a\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br>\u30e1\u30fc\u30eb\u304c\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3068\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u304c\u8fd4\u3055\u308c\u3001\u305d\u3053\u306b\u306f\u300c\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u300d\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\u3001\u30e1\u30fc\u30eb\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306f\u300c4xx\u300d\u307e\u305f\u306f\u300c5xx\u300d\u306e\u6570\u5b57\u3067\u59cb\u307e\u308a\u307e\u3059\u3002<br>\u3053\u308c\u3089\u306e\u6570\u5b57\u306f\u3001\u30a8\u30e9\u30fc\u306b\u5bfe\u5fdc\u3059\u308b\u7a2e\u985e\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br><\/p>\n\n\n\n<p>\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u6700\u521d\u306b\u884c\u3046\u3079\u304d\u3053\u3068\u306f\u3001\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306b\u95a2\u9023\u3059\u308b\u60c5\u5831\u3092\u8abf\u3079\u308b\u3053\u3068\u3067\u3059\u3002\u901a\u5e38\u3001\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306b\u5bfe\u5fdc\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u3042\u308a\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u4f55\u304c\u554f\u984c\u3067\u3042\u308b\u304b\u3092\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u7406\u7531\u306b\u5fdc\u3058\u3066\u3001\u30b5\u30dd\u30fc\u30c8\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"m2\"><strong>\u4ee3\u8868\u7684\u306a\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9<\/strong><\/h2>\n\n\n\n<p>\u305d\u308c\u3067\u306f\u4ee3\u8868\u7684\u306a\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u4e00\u89a7\u3067\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<br><\/p>\n\n\n\n<p><strong>4xx\uff08\u4e00\u6642\u7684\u306a\u5931\u6557\uff09<\/strong><strong><br><\/strong>\u4e00\u6642\u7684\u306a\u30a8\u30e9\u30fc\u306e\u305f\u3081\u3001\u3053\u306e\u5f8c\u518d\u9001\u304c\u304b\u304b\u308a\u5c4a\u304f\u53ef\u80fd\u6027\u304c\u3042\u308b\u30e1\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>5xx\uff08\u6c38\u7d9a\u7684\u306a\u5931\u6557\uff09<br><\/strong>\u300c5xx\u300d\u306e\u30a8\u30e9\u30fc\u306f\u6c38\u7d9a\u7684\u306a\u5931\u6557\u3092\u610f\u5473\u3057\u3001\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3067\u304d\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9<\/strong><\/td><td><strong>\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/td><td><strong>\u89e3\u8aac<\/strong><\/td><\/tr><tr><td><strong>421 4.2.1<\/strong><\/td><td>Service Unavailable<\/td><td>\u4e00\u6642\u7684\u306a\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u5229\u7528\u4e0d\u53ef\u3067\u3059\u3002<\/td><\/tr><tr><td><strong>450 4.7.1<\/strong><\/td><td>Greylisting in action<\/td><td>\u30e1\u30fc\u30eb\u304c\u9045\u5ef6\u3057\u3066\u3044\u307e\u3059\u3002<\/td><\/tr><tr><td><strong>451 4.4.0<\/strong><\/td><td>Temporary lookup failure<\/td><td>DNS\u306e\u554f\u984c\u306b\u3088\u308a\u30e1\u30fc\u30eb\u304c\u914d\u4fe1\u3067\u304d\u307e\u305b\u3093\u3002<\/td><\/tr><tr><td><strong>501 5.5.4<\/strong><\/td><td>Invalid Address<\/td><td>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u7121\u52b9\u3067\u3059\u3002<\/td><\/tr><tr><td><strong>550 5.1.1<\/strong><\/td><td>User Unknown<\/td><td>\u5b9b\u5148\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u304b\u7121\u52b9\u3067\u3059\u3002<\/td><\/tr><tr><td><strong>550 5.7.1<\/strong><\/td><td>Recipient Not Authorized<\/td><td>\u5b9b\u5148\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u304c\u9001\u4fe1\u5143\u3092\u53d7\u3051\u5165\u308c\u306a\u3044\u8a2d\u5b9a\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/td><\/tr><tr><td><strong>550 5.1.8<\/strong><\/td><td>Access denied, bad outbound sender<\/td><td>\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\u304c\u62d2\u5426\u3055\u308c\u307e\u3057\u305f\u3002<\/td><\/tr><tr><td><strong>550 5.2.2<\/strong><\/td><td>Mailbox full<\/td><td>\u53d7\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304c\u4e00\u676f\u3067\u3059\u3002<\/td><\/tr><tr><td><strong>550 5.7.0<\/strong><\/td><td>Message Rejected<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u62d2\u5426\u3055\u308c\u307e\u3057\u305f\u3002<\/td><\/tr><tr><td><strong>554 5.7.1<\/strong><\/td><td>This message has been blocked<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3057\u305f\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"m3\"><strong>Gmail\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u4e00\u89a7<\/strong><\/h2>\n\n\n\n<p>\u4e0a\u8a18\u306f\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u5927\u624b\u306e\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\u3067\u306f\u3001\u72ec\u81ea\u63a1\u756a\u306b\u3088\u308b\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u7528\u3044\u3066\u3044\u307e\u3059\u3002<br>\u4ee5\u4e0b\u306fGmail\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u4e00\u89a7\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 id=\"m3-1\">4xx\u756a\u53f0\uff08\u4e00\u6642\u7684\u306a\u5931\u6557\uff09<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9<\/strong><\/td><td><strong>\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/td><td><strong>\u89e3\u8aac<\/strong><\/td><\/tr><tr><td>421, 4.3.0<\/td><td>Temporary System Problem. Try again later<\/td><td>\u30b7\u30b9\u30c6\u30e0\u306b\u4e00\u6642\u7684\u306a\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089\u3082\u3046\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>421,4.4.2<\/td><td>Remote host said: 421 4.4.2 xxxxx.xxx Error: timeout exceeded<\/td><td>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/td><\/tr><tr><td>421, 4.4.5<\/td><td>Server busy, try again later.<\/td><td>\u30b5\u30fc\u30d0\u30fc\u304c\u30d3\u30b8\u30fc\u3067\u3059\u3002\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089\u3082\u3046\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>421, 4.7.0<\/td><td>Our system has detected an unusual rate of unsolicited mail originating from your IP address. To protect our users from spam, mail sent from your IP address has been temporarily blocked. For more information, visit Prevent mail to Gmail users from being blocked or sent to spam.<\/td><td>\u3054\u4f7f\u7528\u306e IP \u30a2\u30c9\u30ec\u30b9\u304b\u3089\u5927\u91cf\u306e\u8ff7\u60d1\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3055\u308c\u305f\u3053\u3068\u3092\u691c\u51fa\u3057\u305f\u305f\u3081\u3001\u3054\u4f7f\u7528\u306e IP \u30a2\u30c9\u30ec\u30b9\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u3092\u4e00\u6642\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3057\u305f\u3002<\/td><\/tr><tr><td>421, 4.7.0<\/td><td>Temporary System Problem. Try again later.<\/td><td>\u30b7\u30b9\u30c6\u30e0\u306b\u4e00\u6642\u7684\u306a\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089\u3082\u3046\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>421, 4.7.0<\/td><td>TLS required for RCPT domain, closing connection.<\/td><td>RCPT \u30c9\u30e1\u30a4\u30f3\u306b\u306f TLS \u304c\u5fc5\u8981\u3067\u3059\u3002\u63a5\u7d9a\u3092\u9589\u3058\u307e\u3059\u3002<\/td><\/tr><tr><td>421, 4.7.0<\/td><td>Try again later, closing connection.<\/td><td>\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089\u3082\u3046\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002\u63a5\u7d9a\u3092\u9589\u3058\u307e\u3059\u3002<\/td><\/tr><tr><td>450, 4.2.1<\/td><td>The user you are trying to contact is receiving mail too quickly. Please resend your message at a later time. If the user is able to receive mail at that time, your message will be delivered. For more information, visit Limits for sending &amp; getting mail.<\/td><td>\u5b9b\u5148\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u77ed\u671f\u9593\u306b\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089\u30e1\u30fc\u30eb\u3092\u518d\u9001\u4fe1\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>450, 4.2.1<\/td><td>Peak SMTP relay limit exceeded for customers. This is a temporary error. For more information on SMTP relay limits, please contact your administrator or visit SMTP relay service error messages.<\/td><td>\u30e6\u30fc\u30b6\u30fc\u306e\u30d4\u30fc\u30af\u6642\u306e SMTP \u30ea\u30ec\u30fc\u306e\u4e0a\u9650\u3092\u8d85\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u4e00\u6642\u7684\u306a\u30a8\u30e9\u30fc\u3067\u3059\u3002<\/td><\/tr><tr><td>450 4.7.1<\/td><td>Remote host said: 450 4.7.1 : Client host rejected: Greylisted for 5 minutes\/<\/td><td>\u9001\u4fe1\u5148\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306b\u4f55\u3089\u304b\u306e\u7406\u7531\u3067\u62d2\u5426\u3055\u308c\u307e\u3057\u305f\u3002<\/td><\/tr><tr><td>451, 4.3.0<\/td><td>Mail server temporarily rejected message.<\/td><td>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3067\u4e00\u6642\u7684\u306b\u30e1\u30fc\u30eb\u304c\u62d2\u5426\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td><\/tr><tr><td>451, 4.3.0<\/td><td>Multiple destination domains per transaction is unsupported. Please try again.<\/td><td>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3054\u3068\u306e\u8907\u6570\u306e\u9001\u4fe1\u5148\u30c9\u30e1\u30a4\u30f3\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089\u3082\u3046\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>451, 4.4.2<\/td><td>Timeout &#8211; closing connection.<\/td><td>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3067\u3059 &#8211; \u63a5\u7d9a\u3092\u9589\u3058\u307e\u3059\u3002<\/td><\/tr><tr><td>451, 4.5.0<\/td><td>SMTP protocol violation, visit RFC 2821.<\/td><td>SMTP \u30d7\u30ed\u30c8\u30b3\u30eb\u9055\u53cd\u3067\u3059\u3002RFC 2821 \u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>452, 4.2.2<\/td><td>The email account that you tried to reach is over quota. Please direct the recipient to Clear Google Drive space &amp; increase storage.<\/td><td>\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb \u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u4fdd\u5b58\u5bb9\u91cf\u304c\u4e0d\u8db3\u3057\u3066\u3044\u307e\u3059\u3002<\/td><\/tr><tr><td>452, 4.5.3<\/td><td>Domain policy size per transaction exceeded, please try this recipient in a separate transaction.<\/td><td>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3054\u3068\u306e\u30c9\u30e1\u30a4\u30f3 \u30dd\u30ea\u30b7\u30fc \u30b5\u30a4\u30ba\u3092\u8d85\u904e\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u53d7\u4fe1\u8005\u306b\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5206\u5272\u3057\u3066\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>452, 4.5.3<\/td><td>Your message has too many recipients. For more information regarding Google&#8217;s sending limits, visit Limits for sending &amp; getting mail.<\/td><td>\u30e1\u30fc\u30eb\u306e\u5b9b\u5148\u306e\u6570\u304c\u591a\u3059\u304e\u307e\u3059\u3002<\/td><\/tr><tr><td>454, 4.5.0<\/td><td>SMTP protocol violation, no commands allowed to pipeline after STARTTLS, visit RFC 3207.<\/td><td>MTP \u30d7\u30ed\u30c8\u30b3\u30eb\u9055\u53cd\u3067\u3059\u3002STARTTLS \u306e\u5f8c\u306b\u306f\u30b3\u30de\u30f3\u30c9\u3092\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001RFC 3207 \u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>454, 4.7.0<\/td><td>Cannot authenticate due to temporary system problem. Try again later.<\/td><td>\u30b7\u30b9\u30c6\u30e0\u306e\u4e00\u6642\u7684\u306a\u554f\u984c\u306b\u3088\u308a\u8a8d\u8a3c\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089\u3082\u3046\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>454, 5.5.1<\/td><td>STARTTLS may not be repeated.<\/td><td>STARTTLS\uff08\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u666e\u53ca\u3057\u3066\u3044\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u304c\u7e70\u308a\u8fd4\u3055\u308c\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"m3-2\">5xx\u756a\u53f0\uff08\u6c38\u7d9a\u7684\u306a\u5931\u6557\uff09<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9<\/td><td>\u30e1\u30c3\u30bb\u30fc\u30b8<\/td><td>\u89e3\u8aac<\/td><\/tr><tr><td>501, 5.5.2<\/td><td>Cannot Decode response.<\/td><td>\u5fdc\u7b54\u3092\u30c7\u30b3\u30fc\u30c9\u3067\u304d\u307e\u305b\u3093\u3002<\/td><\/tr><tr><td>501, 5.5.4<\/td><td>HELO\/EHLO argument is invalid.For more information, visit HELO\/EHLO email error.<\/td><td>HELO\/EHLO \u306e\u5f15\u6570\u304c\u7121\u52b9\u3067\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/support.google.com\/mail\/answer\/6386757?visit_id=638233613238935340-1262033981&amp;p=helo&amp;rd=1\">HELO\/EHLO \u30e1\u30fc\u30eb\u30a8\u30e9\u30fc<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>502, 5.5.1<\/td><td>Too many unrecognized commands, goodbye.<\/td><td>\u8a8d\u8b58\u3055\u308c\u306a\u3044\u30b3\u30de\u30f3\u30c9\u304c\u591a\u3059\u304e\u307e\u3059\u3002<\/td><\/tr><tr><td>502, 5.5.1<\/td><td>Unimplemented command.<\/td><td>\u5b9f\u88c5\u3055\u308c\u3066\u3044\u306a\u3044\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002<\/td><\/tr><tr><td>502, 5.5.1<\/td><td>Unrecognized command.<\/td><td>\u8a8d\u8b58\u3055\u308c\u306a\u3044\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002<\/td><\/tr><tr><td>503, 5.5.1<\/td><td>EHLO\/HELO first.<\/td><td>\u6700\u521d\u306b EHLO\/HELO \u304c\u5fc5\u8981\u3067\u3059\u3002<\/td><\/tr><tr><td>503, 5.5.1<\/td><td>MAIL first.<\/td><td>\u6700\u521d\u306b MAIL \u304c\u5fc5\u8981\u3067\u3059\u3002<\/td><\/tr><tr><td>503, 5.5.1<\/td><td>RCPT first.<\/td><td>\u6700\u521d\u306b RCPT \u304c\u5fc5\u8981\u3067\u3059\u3002<\/td><\/tr><tr><td>530, 5.5.1<\/td><td>Authentication Required. For more information, visit Can&#8217;t sign in to your Google Account.<\/td><td>\u8a8d\u8a3c\u304c\u5fc5\u8981\u3067\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/support.google.com\/accounts\/troubleshooter\/2402620?sjid=6570942325032864849-AP\">Google \u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u306a\u3044<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>503, 5.7.0<\/td><td>No identity changes permitted.<\/td><td>ID \u306f\u5909\u66f4\u3067\u304d\u307e\u305b\u3093\u3002<\/td><\/tr><tr><td>530, 5.7.0<\/td><td>Must issue a STARTTLS command first.<\/td><td>STARTTLS \u30b3\u30de\u30f3\u30c9\u3092\u6700\u521d\u306b\u767a\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/td><\/tr><tr><td>504, 5.7.4<\/td><td>Unrecognized Authentication Type.<\/td><td>\u8a8d\u8b58\u3055\u308c\u306a\u3044\u8a8d\u8a3c\u30bf\u30a4\u30d7\u3067\u3059\u3002<\/td><\/tr><tr><td>535, 5.5.4<\/td><td>Optional Argument not permitted for that AUTH mode.<\/td><td>\u3053\u306e AUTH \u30e2\u30fc\u30c9\u3067\u306f\u4efb\u610f\u306e\u5f15\u6570\u3092\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/td><\/tr><tr><td>535, 5.7.1<\/td><td>Application-specific password required. For more information, visit Sign in using App Passwords.<\/td><td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u5fc5\u8981\u3067\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/support.google.com\/accounts\/answer\/185833?sjid=6570942325032864849-AP\">\u30a2\u30d7\u30ea \u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u30ed\u30b0\u30a4\u30f3\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>535, 5.7.1<\/td><td>Please log in with your web browser and then try again. For more information, visit Check Gmail through other email platforms.<\/td><td>\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3067\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3001\u3082\u3046\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/support.google.com\/mail\/answer\/7126229?sjid=6570942325032864849-AP&amp;visit_id=638233613238935340-1262033981&amp;rd=2#cantsignin&amp;zippy=%2C%E3%83%A1%E3%83%BC%E3%83%AB-%E3%82%AF%E3%83%A9%E3%82%A4%E3%82%A2%E3%83%B3%E3%83%88%E3%81%AB%E3%83%AD%E3%82%B0%E3%82%A4%E3%83%B3%E3%81%A7%E3%81%8D%E3%81%AA%E3%81%84\">\u4ed6\u306e\u30e1\u30fc\u30eb \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067 Gmail \u306e\u30e1\u30fc\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.1.1<\/td><td>The email account that you tried to reach does not exist. Please try double-checking the recipient&#8217;s email address for typos or unnecessary spaces. For more information, visit Fix bounced or rejected emails.<\/td><td>\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb \u30a2\u30ab\u30a6\u30f3\u30c8\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u3082\u3046\u4e00\u5ea6\u78ba\u8a8d\u3057\u3001\u8aa4\u5b57\u3084\u4e0d\u5fc5\u8981\u306a\u30b9\u30da\u30fc\u30b9\u304c\u306a\u3044\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u30e1\u30fc\u30eb\u304c<a href=\"https:\/\/support.google.com\/mail\/answer\/6596?sjid=6570942325032864849-AP\">\u8fd4\u9001\u307e\u305f\u306f\u62d2\u5426\u3055\u308c\u308b\u4e8b\u8c61\u3092\u89e3\u6c7a\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.2.1<\/td><td>The email account that you tried to reach is disabled.<\/td><td>\u3053\u306e\u30e1\u30fc\u30eb \u30a2\u30ab\u30a6\u30f3\u30c8\u306f\u7121\u52b9\u3067\u3059\u3002<\/td><\/tr><tr><td>550, 5.2.1<\/td><td>The user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered. For more information, visit Limits for sending &amp; getting mail.<\/td><td>\u5b9b\u5148\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u77ed\u671f\u9593\u306b\u5927\u91cf\u306e\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u308c\u4ee5\u4e0a\u30e1\u30fc\u30eb\u3092\u53d7\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/support.google.com\/mail\/answer\/22839?sjid=6570942325032864849-AP&amp;visit_id=638233613238935340-1262033981&amp;rd=1\">\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u6570\u306b\u95a2\u3059\u308b\u5236\u9650<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.4.5<\/td><td>Daily sending quota exceeded. For more information, visit Email sending limits.<\/td><td>1 \u65e5\u3042\u305f\u308a\u306e\u9001\u4fe1\u5bb9\u91cf\u3092\u8d85\u904e\u3057\u307e\u3057\u305f\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/support.google.com\/a\/answer\/166852?sjid=6570942325032864849-AP\">\u30e1\u30fc\u30eb\u9001\u4fe1\u306b\u95a2\u3059\u308b\u5236\u9650\u4e8b\u9805<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.4.5<\/td><td>Daily SMTP relay limit exceeded for user. For more information on SMTP relay sending limits please contact your administrator or visit SMTP relay service error messages.<\/td><td>\u30e6\u30fc\u30b6\u30fc\u306e 1 \u65e5\u3042\u305f\u308a\u306e SMTP \u30ea\u30ec\u30fc\u306e\u4e0a\u9650\u3092\u8d85\u3048\u3066\u3044\u307e\u3059\u3002SMTP \u30ea\u30ec\u30fc\u306e\u9001\u4fe1\u306e\u4e0a\u9650\u306b\u3064\u3044\u3066\u306f\u3001\u7ba1\u7406\u8005\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u304b\u3001<a href=\"https:\/\/support.google.com\/a\/answer\/6140680?sjid=6570942325032864849-AP#userlimit&amp;zippy=%2Cdaily-smtp-relay-limit-exceeded-for-user%E3%83%A6%E3%83%BC%E3%82%B6%E3%83%BC%E3%81%AE-%E6%97%A5%E3%81%82%E3%81%9F%E3%82%8A%E3%81%AE-smtp-%E3%83%AA%E3%83%AC%E3%83%BC%E3%81%AE%E4%B8%8A%E9%99%90%E3%82%92%E8%B6%85%E3%81%88%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99\">SMTP \u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u306e\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.7.0<\/td><td>Mail relay denied.<\/td><td>\u30e1\u30fc\u30eb\u30ea\u30ec\u30fc\u304c\u62d2\u5426\u3055\u308c\u307e\u3057\u305f\u3002<\/td><\/tr><tr><td>550, 5.7.0<\/td><td>Mail Sending denied. This error occurs if the sender account is disabled or not registered within your Google Workspace domain.<\/td><td>\u30e1\u30fc\u30eb\u9001\u4fe1\u304c\u62d2\u5426\u3055\u308c\u307e\u3057\u305f\u3002\u9001\u4fe1\u8005\u30a2\u30ab\u30a6\u30f3\u30c8\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3001Google Workspace \u30c9\u30e1\u30a4\u30f3\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3001\u3053\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/td><\/tr><tr><td>550, 5.7.1<\/td><td>Email quota exceeded.<\/td><td>\u30e1\u30fc\u30eb\u5bb9\u91cf\u3092\u8d85\u904e\u3057\u307e\u3057\u305f\u3002<\/td><\/tr><tr><td>550, 5.7.1<\/td><td>Invalid credentials for relay.<\/td><td>\u30ea\u30ec\u30fc\u306e\u305f\u3081\u306e\u8a8d\u8a3c\u60c5\u5831\u304c\u7121\u52b9\u3067\u3059\u3002<\/td><\/tr><tr><td>550, 5.7.1<\/td><td>Our system has detected an unusual rate of unsolicited mail originating from your IP address. To protect our users from spam, mail sent from your IP address has been blocked. Review Prevent mail to Gmail users from being blocked or sent to spam.<\/td><td>\u3054\u5229\u7528\u306e IP \u30a2\u30c9\u30ec\u30b9\u304b\u3089\u7570\u5e38\u306a\u6570\u306e\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u30b7\u30b9\u30c6\u30e0\u304c\u691c\u51fa\u3057\u305f\u305f\u3081\u3001\u3053\u306e IP \u30a2\u30c9\u30ec\u30b9\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306f\u8ff7\u60d1\u30e1\u30fc\u30eb\u3092\u9632\u6b62\u3059\u308b\u76ee\u7684\u3067\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3057\u305f\u3002<\/td><\/tr><tr><td>550, 5.7.1<\/td><td>Our system has detected that this message is likely unsolicited mail. To reduce the amount of spam sent to Gmail, this message has been blocked. For more information, visit Why has Gmail blocked my messages?<\/td><td>\u3053\u306e\u30e1\u30fc\u30eb\u306f\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u8ff7\u60d1\u30e1\u30fc\u30eb\u306e\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u691c\u51fa\u3055\u308c\u307e\u3057\u305f\u3002Gmail \u306b\u9001\u4fe1\u3055\u308c\u308b\u8ff7\u60d1\u30e1\u30fc\u30eb\u306e\u91cf\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u3053\u306e\u30e1\u30fc\u30eb\u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3057\u305f\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/support.google.com\/mail\/answer\/188131?sjid=8438492211097275242-AP\">Gmail \u3067\u30e1\u30fc\u30eb\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u7406\u7531<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.7.1<\/td><td>The IP you&#8217;re using to send mail is not authorized to send email directly to our servers. Please use the SMTP relay at your service provider instead. For more information, visit &#8216;The IP you&#8217;re using to send email is not authorized&#8230;&#8217;.<\/td><td>\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u306b\u3054\u4f7f\u7528\u306e IP \u3067\u306f\u3001Google \u306e\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u30e1\u30fc\u30eb\u306e\u76f4\u63a5\u9001\u4fe1\u304c\u627f\u8a8d\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u3054\u5229\u7528\u306b\u306a\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u306e SMTP \u30ea\u30ec\u30fc\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u300c<a href=\"https:\/\/support.google.com\/mail\/answer\/10336?sjid=8438492211097275242-AP\">The IP you&#8217;re using to send email is not authorized&#8230;\uff08\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u306b\u3054\u4f7f\u7528\u306e IP \u3067\u306f\u3001Google \u306e\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u76f4\u63a5\u9001\u4fe1\u304c\u627f\u8a8d\u3055\u308c\u3066\u3044\u307e\u305b\u3093\uff09<\/a>\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.7.1<\/td><td>The user or domain that you are sending to (or from) has a policy that prohibited the mail that you sent. Please contact your domain administrator for further details. For more information, visit Sorry, a policy is in place that prevents your message from being sent.<\/td><td>\u9001\u4fe1\u5148\uff08\u307e\u305f\u306f\u9001\u4fe1\u5143\uff09\u306e\u30e6\u30fc\u30b6\u30fc\u307e\u305f\u306f\u30c9\u30e1\u30a4\u30f3\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u308a\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u30b5\u30dd\u30fc\u30c8\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u8005\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.7.1<\/td><td>Unauthenticated email is not accepted from this domain.<\/td><td>\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u306e\u8a8d\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30fc\u30eb\u306f\u53d7\u4fe1\u3055\u308c\u307e\u305b\u3093\u3002<\/td><\/tr><tr><td>550, 5.7.1<\/td><td>Daily SMTP relay limit exceeded for customer. For more information on SMTP relay sending limits please contact your administrator or visit SMTP relay service error messages.<\/td><td>\u30e6\u30fc\u30b6\u30fc\u306e 1 \u65e5\u3042\u305f\u308a\u306e SMTP \u30ea\u30ec\u30fc\u306e\u4e0a\u9650\u3092\u8d85\u3048\u3066\u3044\u307e\u3059\u3002SMTP \u30ea\u30ec\u30fc\u306e\u9001\u4fe1\u306e\u4e0a\u9650\u306b\u3064\u3044\u3066\u306f\u3001\u7ba1\u7406\u8005\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u304b\u3001<a href=\"https:\/\/support.google.com\/a\/answer\/6140680?sjid=8438492211097275242-AP#dailylimit&amp;zippy=%2Cdaily-smtp-relay-limit-exceeded-for-customer%E9%A1%A7%E5%AE%A2%E3%81%AE-%E6%97%A5%E3%81%82%E3%81%9F%E3%82%8A%E3%81%AE-smtp-%E3%83%AA%E3%83%AC%E3%83%BC%E3%81%AE%E4%B8%8A%E9%99%90%E3%82%92%E8%B6%85%E3%81%88%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99\">SMTP \u30ea\u30ec\u30fc\u30b5\u30fc\u30d3\u30b9\u306e\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.7.26<\/td><td>Unauthenticated email from &lt;\u30c9\u30e1\u30a4\u30f3\u540d&gt; is not accepted due to domain&#8217;s DMARC policy. Please contact the administrator of domain-name domain.If this was a legitimate mail please visit Control unauthenticated mail from your domain to learn about the DMARC initiative.<\/td><td>&lt;\u30c9\u30e1\u30a4\u30f3\u540d&gt; \u304b\u3089\u306e\u672a\u627f\u8a8d\u306e\u30e1\u30fc\u30eb\u306f\u30c9\u30e1\u30a4\u30f3\u306e DMARC \u30dd\u30ea\u30b7\u30fc\u306b\u3088\u3063\u3066\u627f\u8a8d\u3055\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u30c9\u30e1\u30a4\u30f3 &lt;\u30c9\u30e1\u30a4\u30f3&gt; \u306e\u7ba1\u7406\u8005\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002\u6b63\u5f53\u306a\u30e1\u30fc\u30eb\u306e\u5834\u5408\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u306e\u672a\u8a8d\u8a3c\u30e1\u30fc\u30eb\u3092\u7ba1\u7406\u3059\u308b DMARC \u306e\u53d6\u308a\u7d44\u307f\u306b\u3064\u3044\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002\u8ff7\u60d1\u30e1\u30fc\u30eb\u3067\u3082\u306a\u3044\u5834\u5408\u306f\u3001\u53d7\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u8005\u306b\u9023\u7d61\u3057\u3066\u3001\u9001\u4fe1\u30e1\u30fc\u30eb\u304c\u8a8d\u8a3c\u30c1\u30a7\u30c3\u30af\u306b\u5408\u683c\u3057\u306a\u304b\u3063\u305f\u7406\u7531\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>550, 5.7.26<\/td><td><\/td><td>\u3053\u306e\u30e1\u30fc\u30eb\u306b\u306f\u8a8d\u8a3c\u60c5\u5831\u304c\u306a\u3044\u304b\u3001\u8a8d\u8a3c\u30c1\u30a7\u30c3\u30af\uff08SPF \u307e\u305f\u306f DKIM\uff09\u306b\u5408\u683c\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u8ff7\u60d1\u30e1\u30fc\u30eb\u304b\u3089\u30e6\u30fc\u30b6\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u3001\u30e1\u30fc\u30eb\u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td><\/tr><tr><td>550, 5.7.26<\/td><td><\/td><td>\u3053\u306e\u30e1\u30fc\u30eb\u306f \u30cf\u30fc\u30c9\u30d5\u30a7\u30a4\u30eb \u30dd\u30ea\u30b7\u30fc\uff08-all\uff09\u306b\u5f93\u3044\u3001 SPF \u30ec\u30b3\u30fc\u30c9\u306e SPF \u30c1\u30a7\u30c3\u30af\u3067\u4e0d\u5408\u683c\u3068\u5224\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002\u8ff7\u60d1\u30e1\u30fc\u30eb\u3084\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u304b\u3089\u30e6\u30fc\u30b6\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u3001\u30e1\u30fc\u30eb\u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td><\/tr><tr><td>552, 5.2.2<\/td><td>The email account that you tried to reach is over quota.<\/td><td>\u9001\u4fe1\u5148\u306e\u30e1\u30fc\u30eb \u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u4fdd\u5b58\u5bb9\u91cf\u304c\u4e0d\u8db3\u3057\u3066\u3044\u307e\u3059\u3002<\/td><\/tr><tr><td>552, 5.2.3<\/td><td>Your message exceeded Google&#8217;s message size limits. For more information, visit Send attachments with your Gmail message.<\/td><td>Google \u306e\u30e1\u30fc\u30eb\u30b5\u30a4\u30ba\u306e\u4e0a\u9650\u3092\u8d85\u3048\u3066\u3044\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/support.google.com\/mail\/answer\/6584?sjid=8438492211097275242-AP&amp;visit_id=638234462770063285-1669582343&amp;rd=1\">Gmail \u306e\u30e1\u30fc\u30eb\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u6dfb\u4ed8\u3057\u3066\u9001\u4fe1\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>553, 5.1.2<\/td><td>We weren&#8217;t able to find the recipient domain. Please check for any spelling errors, and make sure you didn&#8217;t enter any spaces, periods, or other punctuation after the recipient&#8217;s email address.<\/td><td>\u53d7\u4fe1\u30c9\u30e1\u30a4\u30f3\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u30b9\u30da\u30eb\u30df\u30b9\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u53d7\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5f8c\u306b\u30b9\u30da\u30fc\u30b9\u3001\u30d4\u30ea\u30aa\u30c9\u3001\u305d\u306e\u4ed6\u306e\u53e5\u8aad\u70b9\u8a18\u53f7\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>554, 5.6.0<\/td><td>Mail message is malformed. Not accepted.<\/td><td>\u30e1\u30fc\u30eb \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u53d7\u4fe1\u3055\u308c\u307e\u305b\u3093\u3002<\/td><\/tr><tr><td>554, 5.6.0<\/td><td>Message exceeded 50 hops, this may indicate a mail loop.<\/td><td>\u30e1\u30fc\u30eb\u306e\u30db\u30c3\u30d7\u6570\u304c 50 \u3092\u8d85\u3048\u307e\u3057\u305f\u3002\u30e1\u30fc\u30eb\u304c\u30eb\u30fc\u30d7\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/td><\/tr><tr><td>554, 5.7.0<\/td><td>Too Many Unauthenticated commands.<\/td><td>\u627f\u8a8d\u3055\u308c\u306a\u3044\u30b3\u30de\u30f3\u30c9\u306e\u6570\u304c\u591a\u3059\u304e\u307e\u3059\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u53c2\u8003\uff1a<a rel=\"noreferrer noopener\" href=\"https:\/\/support.google.com\/a\/answer\/3726730?hl=ja\" target=\"_blank\"><span style=\"color:#2d9cdb\" class=\"has-inline-color\">Gmail \u306e SMTP \u306b\u95a2\u3059\u308b\u30a8\u30e9\u30fc\u3068\u30b3\u30fc\u30c9<\/span><\/a><\/p>\n\n\n\n<h2 id=\"m4\"><strong>\u307e\u3068\u3081<\/strong><\/h2>\n\n\n\n<p>\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u306f\u82f1\u8a9e\u3067\u66f8\u304b\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5c11\u3057\u62b5\u6297\u304c\u3042\u308a\u307e\u3059\u3088\u306d\u3002<br>\u3057\u304b\u3057\u3001\u304d\u3061\u3093\u3068\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u6b63\u3057\u304f\u5bfe\u51e6\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br><br>\u4f8b\u3048\u3070\u300c550 5.1.1\u300d\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306e\u5834\u5408\u306f\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u4e0d\u5099\u304c\u3042\u3063\u305f\u308a\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u304d\u306b\u8d77\u304d\u308b\u30a8\u30e9\u30fc\u3067\u3059\u3002<br>\u6b63\u3057\u3044\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u3001\u3059\u3050\u306b\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br><br>\u300c550 5.7.26\u300d\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\uff08Gmail\uff09\u306f\u3001SPF\u3084DKIM\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b\u8d77\u304d\u308b\u30a8\u30e9\u30fc\u3067\u3059\u3002<br>\u8981\u3059\u308b\u306b\u30b9\u30d1\u30e0\u30e1\u30fc\u30eb\u3084\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u65ad\u3055\u308c\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<br>\u3081\u308b\u914d\u304f\u3093\u3067\u306f\u3001\u4e0a\u8a18\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u624b\u6bb5\u3092\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u9069\u5207\u306b\u5bfe\u51e6\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-blog wp-block-embed-blog\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"rQ1OFzQapu\"><a href=\"https:\/\/www.meruhaikun.com\/blog\/?p=808\">\u3010\u3081\u308b\u914d\u304f\u3093 \u3011\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u5834\u5408\u306e\u5bfe\u5fdc\u7b56<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;\u3010\u3081\u308b\u914d\u304f\u3093 \u3011\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044\u5834\u5408\u306e\u5bfe\u5fdc\u7b56&#8221; &#8212; Blog\" src=\"https:\/\/www.meruhaikun.com\/blog\/?p=808&#038;embed=true#?secret=rQ1OFzQapu\" data-secret=\"rQ1OFzQapu\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9001\u4fe1\u3057\u305f\u30e1\u30fc\u30eb\u304c\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3068\u30a8\u30e9\u30fc\u30e1\u30fc\u30eb\u304c\u8fd4\u3055\u308c\u3001\u305d\u3053\u306b\u306f\u300c\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u300d\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u4e00\u822c\u7684\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3068\u305d\u306e\u610f\u5473\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":6,"featured_media":1015,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/973"}],"collection":[{"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=973"}],"version-history":[{"count":11,"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/973\/revisions"}],"predecessor-version":[{"id":987,"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/973\/revisions\/987"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=\/wp\/v2\/media\/1015"}],"wp:attachment":[{"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meruhaikun.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}