{"id":2180,"date":"2022-03-09T18:25:03","date_gmt":"2022-03-09T17:25:03","guid":{"rendered":"https:\/\/markus-blog.de\/?p=2180"},"modified":"2023-04-03T08:43:57","modified_gmt":"2023-04-03T06:43:57","slug":"plesk-und-der-eingebaute-antispamfilter-mit-serverweiten-greylisting-spamschutz","status":"publish","type":"post","link":"https:\/\/markus-blog.de\/index.php\/2022\/03\/09\/plesk-und-der-eingebaute-antispamfilter-mit-serverweiten-greylisting-spamschutz\/","title":{"rendered":"Plesk und der eingebaute Antispamfilter mit serverweiten Greylisting-Spamschutz"},"content":{"rendered":"<blockquote>\n<p style=\"text-align: center;\"><a href=\"https:\/\/markus-blog.de\/index.php\/unterstuetzung\/\" target=\"_blank\" rel=\"noopener\">Jetzt Blog unterst\u00fctzen<\/a><\/p>\n<\/blockquote>\n<p>&nbsp;<\/p>\n<p>In dieser Woche kontaktierte mich ein Kunde und bat mich darum, zu \u00fcberpr\u00fcfen warum auf einmal so viel Spam in seinem Postfach landet.<br \/>\nSein Server l\u00e4uft mit dem Panel Plesk Obsidian und er hat unter anderem den &#8222;serverweiten <a href=\"https:\/\/de.wikipedia.org\/wiki\/Greylisting\" target=\"_blank\" rel=\"noopener\">Greylisting<\/a>-Spamschutz&#8220; aktiviert.<\/p>\n<p>Daher begab ich mich auf die Suche und beim Durchschauen der Mail-Logs ist mir dann aufgefallen, dass bestimmte E-Mail-Domains ohne Greylisting angenommen werden, u.a. Mails von &#8222;mail.ru&#8220;.<br \/>\nEin Blick in die Spamfilter-Einstellungen ergab, das dort kein Eintrag in der Whitelist vorhanden ist:<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2181\" src=\"https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Spamfilter-Einstellungen.jpg\" alt=\"\" width=\"556\" height=\"427\" srcset=\"https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Spamfilter-Einstellungen.jpg 556w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Spamfilter-Einstellungen-300x230.jpg 300w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Spamfilter-Einstellungen-230x177.jpg 230w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Spamfilter-Einstellungen-350x269.jpg 350w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Spamfilter-Einstellungen-480x369.jpg 480w\" sizes=\"auto, (max-width: 556px) 100vw, 556px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Also ab in die Shell und dort die serverweite Konfiguration angeschaut:<\/p>\n<pre>sudo \/usr\/local\/psa\/bin\/grey_listing --info-server -status on<\/pre>\n<p>und siehe da, es gibt Eintr\u00e4ge, die von &#8222;Haus&#8220; aus schon hinterlegt sind:<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2183\" src=\"https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-before.jpg\" alt=\"\" width=\"793\" height=\"579\" srcset=\"https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-before.jpg 793w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-before-300x219.jpg 300w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-before-768x561.jpg 768w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-before-230x168.jpg 230w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-before-350x256.jpg 350w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-before-480x350.jpg 480w\" sizes=\"auto, (max-width: 793px) 100vw, 793px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Das wollte ich nat\u00fcrlich nicht so lassen und habe die Eintr\u00e4ge entfernt.<\/p>\n<p>Mit den folgenden Befehlen k\u00f6nnt Ihr das auch tun:<\/p>\n<pre>sudo plesk bin grey_listing --update-server -domains-whitelist \"del:*mail.ru\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*.office365.com\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*.outlook.com\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*.outlook.office.com\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*facebook.com\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*google.com\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*parallels.com\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*plesk.com\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*rambler.ru\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*yahoo.com\"\r\nsudo plesk bin grey_listing --update-server -domains-whitelist \"del:*yandex.ru\"<\/pre>\n<p>&nbsp;<\/p>\n<p>Danach noch einmal mit<\/p>\n<pre>sudo \/usr\/local\/psa\/bin\/grey_listing --info-server -status on<\/pre>\n<p>kontrolliert und es sieht schon besser aus:<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2182\" src=\"https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-after.jpg\" alt=\"\" width=\"826\" height=\"400\" srcset=\"https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-after.jpg 826w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-after-300x145.jpg 300w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-after-768x372.jpg 768w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-after-230x111.jpg 230w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-after-350x169.jpg 350w, https:\/\/markus-blog.de\/wp-content\/uploads\/2022\/03\/Whitelist-after-480x232.jpg 480w\" sizes=\"auto, (max-width: 826px) 100vw, 826px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Greylisting ist zwar nicht allein f\u00fcr Spam-Bek\u00e4mpfung zust\u00e4ndig, aber wenn aktiviert, dann sollte es schon so arbeiten wie der Server-Admin es m\u00f6chte \ud83d\ude09<\/p>\n<blockquote>\n<p style=\"text-align: center;\"><a href=\"https:\/\/markus-blog.de\/index.php\/unterstuetzung\/\" target=\"_blank\" rel=\"noopener\">Jetzt Blog unterst\u00fctzen<\/a><\/p>\n<\/blockquote>\n<div class=\"shariff shariff-align-left shariff-widget-align-left\" data-services=\"facebook%7Creddit\" data-url=\"https:\/\/markus-blog.de\/index.php\/2022\/03\/09\/plesk-und-der-eingebaute-antispamfilter-mit-serverweiten-greylisting-spamschutz\/\" data-timestamp=\"1680511437\" data-hidezero=\"1\" data-backendurl=\"https:\/\/markus-blog.de\/wp-json\/shariff\/v1\/share_counts?\"><ul class=\"shariff-buttons theme-round orientation-horizontal buttonsize-medium\"><li class=\"shariff-button mastodon shariff-nocustomcolor\" style=\"background-color:#563ACC\"><a href=\"https:\/\/s2f.kytta.dev\/?text=Plesk%20und%20der%20eingebaute%20Antispamfilter%20mit%20serverweiten%20Greylisting-Spamschutz https%3A%2F%2Fmarkus-blog.de%2Findex.php%2F2022%2F03%2F09%2Fplesk-und-der-eingebaute-antispamfilter-mit-serverweiten-greylisting-spamschutz%2F\" title=\"Bei Mastodon teilen\" aria-label=\"Bei Mastodon teilen\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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Sein Server l\u00e4uft mit dem Panel Plesk Obsidian und er hat unter anderem den &#8222;serverweiten Greylisting-Spamschutz&#8220; aktiviert. Daher begab ich mich auf die Suche und beim Durchschauen der [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2184,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40],"tags":[223,224,225,191,48],"class_list":["post-2180","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-plesk","tag-antispam","tag-greylisting","tag-mail-ru","tag-obsidian","tag-plesk"],"_links":{"self":[{"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/posts\/2180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/comments?post=2180"}],"version-history":[{"count":0,"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/posts\/2180\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/media\/2184"}],"wp:attachment":[{"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/media?parent=2180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/categories?post=2180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/markus-blog.de\/index.php\/wp-json\/wp\/v2\/tags?post=2180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}