{"id":11388,"date":"2026-07-08T10:59:14","date_gmt":"2026-07-08T01:59:14","guid":{"rendered":"https:\/\/www.k-in.co.jp\/niwakan\/?p=11388"},"modified":"2026-07-08T10:59:30","modified_gmt":"2026-07-08T01:59:30","slug":"postfix-main-cf%e3%81%ae%e5%a4%9a%e5%b0%91%e3%81%ae%e4%bf%ae%e6%ad%a3","status":"publish","type":"post","link":"https:\/\/www.k-in.co.jp\/niwakan\/archives\/2026\/07\/11388\/","title":{"rendered":"postfix\/main.cf\u306e\u4e9b\u5c11\u306e\u4fee\u6b63"},"content":{"rendered":"<p>Gemini\u3055\u3093\u3068\u8a71\u3066\u3044\u3066\u3001main.cf\u3092\u5c11\u3005\u4fee\u6b63\u3057\u305f\u3002<br \/>\n\u4eca\u56de\u306f\u305d\u308c\u3092\u8a18\u9332\u3057\u3066\u304a\u304f\u3002<br \/>\n<!--more--><\/p>\n<p>\u4e00\u3064\u76ee\u3001Gemini\u3055\u3093\u306e\u89e3\u8aac\u4ed8\u304d\u306a\u306e\u3067\u3001\u8a73\u3057\u304f\u306f\u66f8\u304b\u306a\u3044\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\">smtpd_helo_restrictions =\r\n    permit_mynetworks,\r\n    permit_sasl_authenticated,\r\n    # \u2193\u3053\u3053\u306b\u8ffd\u52a0\u3057\u307e\u3059\r\n    check_client_access hash:\/opt\/local\/etc\/postfix\/access,\r\n    # \u2191\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u3092\u5148\u306b\u901a\u3059\u3053\u3068\u3067\u3001\u4e0b\u306e\u5236\u9650\u3092\u30b9\u30ad\u30c3\u30d7\u3055\u305b\u308b\r\n    reject_invalid_helo_hostname,\r\n    reject_non_fqdn_helo_hostname,\r\n    reject_unknown_helo_hostname,\r\n    permit<\/pre>\n<p>\u4e8c\u3064\u76ee\u3001\u3053\u3061\u3089\u3082\u89e3\u8aac\u4ed8\u304d\u306a\u306e\u3067\u2026\u2026\u2026\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\"># \u8a8d\u8a3c\u5931\u6557\u5f8c\u306b3\u79d2\u9593\u5f85\u305f\u305b\u308b\uff08\u4f8b\uff09\r\nsmtpd_sasl_auth_soft_failure_delay = 3s<\/pre>\n<p>\u4e09\u3064\u76ee\u3001reject_unknown_reverse_client_hostname\u3092\u5916\u3057\u305f\u3053\u3068\u3067<strong>\u9006\u5f15\u304d\u3067\u304d\u306a\u3044<\/strong>\u76f8\u624b\u3092\u53d7\u3051\u5165\u308c\u308b\u3002<br \/>\n\u3053\u308c\u3063\u3066\u3001\u300cdomain\u306f\u53d6\u3063\u305f\u3051\u308c\u3069\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u306a\u306e\u3067<strong>\u9006\u5f15\u304d\u3059\u308b\u3068\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u540d\u304c\u8fd4\u3063\u3066\u304f\u308b<\/strong>\u300d\u76f8\u624b\u3078\u306e\u5bfe\u5fdc\u3002<br \/>\n\u30b9\u30d1\u30e0\u696d\u8005\u3082\u3053\u308c\u3059\u308b\u3068\u901a\u3063\u3061\u3083\u3046\u3093\u3060\u3088\u306d\u3047\u3002DNSBL\u3067\u5f3e\u3051\u308b\u304b\u3089\u5bfe\u5fdc\u306f\u3067\u304d\u308b\u3051\u308c\u3069\u3002<\/p>\n<pre class=\"height:300 lang:default decode:true\" title=\"\">smtpd_recipient_restrictions =\r\n    permit_mynetworks,\r\n    permit_sasl_authenticated,\r\n    check_client_access hash:\/opt\/local\/etc\/postfix\/access,\r\n    check_client_access cidr:\/opt\/local\/etc\/postfix\/access_cidr,\r\n    check_client_access cidr:\/opt\/local\/etc\/postfix\/reject_cidr,\r\n    reject_unauth_destination,\r\n    reject_non_fqdn_sender,\r\n    reject_non_fqdn_recipient,\r\n    reject_unknown_sender_domain,\r\n    reject_invalid_hostname,\r\n#    reject_unknown_reverse_client_hostname,\r\n    warn_if_reject reject_unknown_client_hostname,\r\n    warn_if_reject reject_unknown_helo_hostname,\r\n    reject_unverified_recipient,\r\n    reject_non_fqdn_helo_hostname,\r\n    reject_rhsbl_helo           dbl.spamhaus.org,\r\n    reject_rhsbl_reverse_client dbl.spamhaus.org,\r\n    reject_rhsbl_sender         dbl.spamhaus.org,\r\n    permit<\/pre>\n<p>\u4ee5\u4e0a3\u30f6\u6240\u306e\u5909\u66f4\u3067\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gemini\u3055\u3093\u3068\u8a71\u3066\u3044\u3066\u3001main.cf\u3092\u5c11\u3005\u4fee\u6b63\u3057\u305f\u3002 \u4eca\u56de\u306f\u305d\u308c\u3092\u8a18\u9332\u3057\u3066\u304a\u304f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[246],"tags":[177,176],"class_list":["post-11388","post","type-post","status-publish","format-standard","hentry","category-my-macmini-server","tag-dovecot","tag-mail"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/comments?post=11388"}],"version-history":[{"count":2,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11388\/revisions"}],"predecessor-version":[{"id":11392,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/posts\/11388\/revisions\/11392"}],"wp:attachment":[{"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/media?parent=11388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/categories?post=11388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.k-in.co.jp\/niwakan\/wp-json\/wp\/v2\/tags?post=11388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}