{"id":4175,"date":"2020-10-30T20:02:00","date_gmt":"2020-10-30T19:02:00","guid":{"rendered":"https:\/\/webhosting.de\/postfix-certificate-verification-failed-for-gmail-smtp-in-l-google-com\/"},"modified":"2021-07-15T13:06:04","modified_gmt":"2021-07-15T12:06:04","slug":"gmail-smtp-in-l-google-com-%e3%81%ae%e3%81%9f%e3%82%81%e3%81%ae-postfix-certificat-verification-%e3%81%ae%e5%a4%b1%e6%95%97","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/postfix-certificate-verification-failed-for-gmail-smtp-in-l-google-com\/","title":{"rendered":"postfix: \u9001\u4fe1\u30e1\u30fc\u30eb\u3092\u6697\u53f7\u5316"},"content":{"rendered":"<p>\u96fb\u5b50\u30e1\u30fc\u30eb\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3059\u308b\u3053\u3068\u306f\u3001\u7279\u306b\u79fb\u52d5\u4e2d\u306b WLAN \u74b0\u5883\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u66f8\u3044\u305f\u308a\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u5e38\u306b\u7406\u306b\u304b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u666e\u901a\u306f\u3053\u3053\u306b\u6f5c\u3093\u3067\u3044\u3066\u3001\u5e73\u6587\u3067\u901a\u4fe1\u3092\u8a18\u9332\u3057\u3066\u3044\u308b\u7121\u540d\u306e\u4eba\u9593\u304c\u3044\u308b\u304b\u3089\u3060\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u7c21\u5358\u306a\u8a2d\u5b9a\u3067\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u63a5\u7d9a\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30e1\u30fc\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u5b89\u5168\u6027\u304c\u78ba\u4fdd\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u305d\u306e\u5f8c\u3001\u9001\u4fe1\u8005\u3068\u53d7\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u9593\u306e\u63a5\u7d9a\u304c\u554f\u984c\u3068\u306a\u308b\u3002\u3053\u308c\u3089\u306f\u5b89\u5168\u306a\u74b0\u5883\u306b\u3042\u308b\u30b5\u30fc\u30d0\u30fc\u306a\u306e\u3067\u3001\u901a\u5e38\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u3082\u3061\u308d\u3093\u3001\u305d\u306e\u5f8c\u3001\u30e1\u30fc\u30eb\u306e\u3084\u308a\u53d6\u308a\u3092\u30b3\u30d4\u30fc\u3057\u3066\u76d7\u307f\u805e\u304d\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3042\u306a\u305f\u306f\u3001\u3042\u306a\u305f\u306e <a href=\"https:\/\/webhosting.de\/ja\/srs-mit-postfix-unter-centos\/\">\u30dd\u30b9\u30c8\u30d5\u30a3\u30c3\u30af\u30b9<\/a> \u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306f\u3001\u5c11\u306a\u304f\u3068\u3082 <a href=\"https:\/\/webhosting.de\/ja\/personenbezogene-daten-sozialen-netzwerken\/\">\u30c7\u30fc\u30bf<\/a> \u53ef\u80fd\u3067\u3042\u308c\u3070\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u3001\u3042\u306a\u305f\u306emaillog\u306e\u4e2d\u306b\u30a8\u30f3\u30c8\u30ea\u3092\u898b\u3064\u3051\u305f\u3089\u3002<\/p>\n<h2>gmail-smtp-in.l.google.com \u306e\u8a3c\u660e\u66f8\u691c\u8a3c\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002<\/h2>\n<p>\u305d\u306e\u5834\u5408\u3001\u3042\u306a\u305f\u306e Postfix \u306f <a href=\"https:\/\/webhosting.de\/ja\/plesk-letsencrypt-zertifikat-erstellen\/\">\u8a3c\u660e\u66f8<\/a> \u3092\u6697\u53f7\u5316\u3059\u308b\u305f\u3081\u306b<\/p>\n<p>main.cf\u30d5\u30a1\u30a4\u30eb\u3092\u5c11\u3057\u5909\u66f4\u3059\u308b\u3060\u3051\u3067\u3001\u3053\u308c\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u30b5\u30fc\u30d0\u306bca-certificates\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002redhat \u3068 centos \u3067\u306f\u3001\u3053\u308c\u306f ca-certificates \u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306f\u3053\u3053\u306b\u3042\u308a\u307e\u3059: \/etc\/pki\/ca-trust\/extracted\/pem\/tls-ca-bundle.pem at centos7\u81ea\u5206\u306e\u8a3c\u660e\u66f8\u3092\u4f5c\u6210\u3057\u3066\u3001\/etc\/postfix\/postfix_default.pem \u306b\u9375\u3068\u30eb\u30fc\u30c8\u8a3c\u660e\u66f8\u3068\u4e00\u7dd2\u306b\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:sh decode:true\" >\npostconf -e smtp_tls_security_level=may\npostconf -e smtp_tls_cert_file=\/etc\/postfix\/postfix_default.pem\npostconf -e smtp_tls_key_file=\/etc\/postfix\/postfix_default.pem\npostconf -e smtp_tls_CAfile = \/etc\/pki\/ca-trust\/extracted\/pem\/tls-ca-bundle.pem\npostconf -e smtp_tls_mandatory_exclude_ciphers='aNULL, DES, RC4, MD5'\u3002\n\npostconf -e smtpd_tls_security_level=may\npostconf -e smtpd_tls_key_file=\/etc\/postfix\/postfix_default.pem\npostconf -e smtpd_tls_cert_file=\/etc\/postfix\/postfix_default.pem\npostconf -e smtpd_tls_mandatory_protocols='!SSLv2, !SSLv3'\npostconf -e smtpd_tls_protocols='!SSLv2, !SSLv3'\npostconf -e smtpd_tls_mandatory_ciphers=high\npostconf -e smtpd_tls_mandatory_exclude_ciphers='aNULL, DES, RC4, MD5'\u3002\npostconf -e tls_high_cipherlist='EDH+CAMELLIA:EDH+aRSA:ECDH+aRSA+AESGCM:ECDH+aRSA+SHA384:ECDH+aRSA+SHA256:ECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA'\n<\/pre>\n<p>\u4eca\u5f8c\u306f\u3001postfix \u306f\u3053\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u4ed6\u306e\u30b5\u30fc\u30d0\u306b\u6697\u53f7\u5316\u3057\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <\/p>\n<p>\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001\u4e00\u90e8\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u304c\u30c6\u30ec\u30d3CM\u3067\u5b89\u5168\u306a\u30e1\u30fc\u30eb\u914d\u4fe1\u3068\u3057\u3066\u5ba3\u4f1d\u3057\u3066\u3044\u307e\u3059\u3002\u3082\u3061\u308d\u3093\u3001\u3053\u308c\u306f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u6697\u53f7\u5316\u3001\u3064\u307e\u308a2\u3064\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u9593\u306e\u30d1\u30b9\u306e\u307f\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30e1\u30fc\u30eb\u81ea\u4f53\u306f\u3001\u53d7\u4fe1\u8005\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u306b\u518d\u3073\u5e73\u6587\u3067\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Es ist immer sinnvoll die eMail Kommunikation zu verschl\u00fcsseln, gerade wenn man auch mobil unterwegs ist und in wlan Umgebungen eMails abruft oder schreibt. Denn hier lauert meist ein unbekannter, der die Kommunikation im Klartext mitschneidet. Mit simplen Einstellungen im eMailprogramm oder Smartphone kann man die Verschl\u00fcsselte Verbindung aktivieren. Somit ist die Verbindung vom eMailprogramm zum eMailserver verschl\u00fcsselt und sicher. Problematisch sind dann allerdings die Verbindungen zwischen den eMailservern vom Versender und Empf\u00e4nger. Diese werden in der Regel unverschl\u00fcsselt \u00fcbertragen, da sich sie Server in einer sicheren Umgebung befinden. Es besteht dann aber nat\u00fcrlich die M\u00f6glichkeit den eMailverkehr zu kopieren und zu belauschen. Man sollte seinem Postfix Mailserver also zumindest [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[780,700,791,995,792],"tags":[],"class_list":["post-4175","post","type-post","status-publish","format-standard","hentry","category-administration-anleitungen","category-anleitungen","category-emailserver-administration-anleitungen","category-hilfe","category-postfix-emailserver-administration-anleitungen"],"acf":[],"_links":{"self":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/posts\/4175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/comments?post=4175"}],"version-history":[{"count":0,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/posts\/4175\/revisions"}],"wp:attachment":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/media?parent=4175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/categories?post=4175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/tags?post=4175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}