{"id":16807,"date":"2020-05-12T12:36:38","date_gmt":"2020-05-12T10:36:38","guid":{"rendered":"https:\/\/test-blog.mailfence.com\/?p=16807"},"modified":"2025-09-16T15:44:50","modified_gmt":"2025-09-16T13:44:50","slug":"ankundigung-mailfence-beendet-am-2-juni-2020-den-support-fur-tls-1-0-und-1-1","status":"publish","type":"post","link":"https:\/\/blog.mailfence.com\/de\/ankundigung-mailfence-beendet-am-2-juni-2020-den-support-fur-tls-1-0-und-1-1\/","title":{"rendered":"Ank\u00fcndigung: Mailfence beendet am 2. Juni 2020 den Support f\u00fcr TLS 1.0 und 1.1"},"content":{"rendered":"\n<p><br>TLS ist ein Protokoll, das den Datenverkehr zwischen eine Client-Software und dem Server verschl\u00fcsselt. Es stellt auch sicher, dass der Software-Client mit dem richtigen Server spricht. Die Protokolle werden durch die Ver\u00f6ffentlichung neuer Versionen st\u00e4ndig verbessert, vor allem weil in den alten Versionen Schwachstellen gefunden werden. Diese Schwachstellen k\u00f6nnen dazu f\u00fchren, dass TLS ineffektiv ist oder kompromittiert wird.<\/p>\n\n\n\n<p>TLS 1.0 und 1.1 sind veraltete Protokolle, die moderne kryptographische Algorithmen nicht unterst\u00fctzen. Sie enthalten Sicherheitsl\u00fccken, die von Angreifern ausgenutzt werden k\u00f6nnen. Ein <a href=\"https:\/\/tools.ietf.org\/html\/draft-ietf-tls-oldversions-deprecate-00\" target=\"_blank\" rel=\"noreferrer noopener\">offizieller Versuch<\/a>, TLSv1.1 und TLSv1.0 zu verwerfen, wird ebenfalls unternommen, wobei Richtlinien des <a href=\"https:\/\/csrc.nist.gov\/CSRC\/media\/Publications\/sp\/800-52\/rev-2\/draft\/documents\/sp800-52r2-draft.pdf\">NIST<\/a> und von Industriekonsortien wie der <a href=\"https:\/\/www.pcisecuritystandards.org\/documents\/Migrating-from-SSL-Early-TLS-Info-Supp-v1_1.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Payment Card Industry Association (PCI<\/a><a href=\"https:\/\/www.pcisecuritystandards.org\/documents\/Migrating-from-SSL-Early-TLS-Info-Supp-v1_1.pdf\">)<\/a> befolgt werden.<\/p>\n\n\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"100847\" class=\"elementor elementor-100847 elementor-100761\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-124e1725 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"124e1725\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-654e4e21\" data-id=\"654e4e21\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3a3b1a23 elementor-widget elementor-widget-text-editor\" data-id=\"3a3b1a23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Mailfence \u2013 Ihre sichere Produktivit\u00e4tssuite<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c004279 elementor-widget elementor-widget-text-editor\" data-id=\"2c004279\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Holen Sie sich Ihre Privatsph\u00e4re zur\u00fcck mit<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83e0dd6 elementor-icon-list--layout-inline elementor-align-center elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"83e0dd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-envelope-open-text\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M176 216h160c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16H176c-8.84 0-16 7.16-16 16v16c0 8.84 7.16 16 16 16zm-16 80c0 8.84 7.16 16 16 16h160c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16H176c-8.84 0-16 7.16-16 16v16zm96 121.13c-16.42 0-32.84-5.06-46.86-15.19L0 250.86V464c0 26.51 21.49 48 48 48h416c26.51 0 48-21.49 48-48V250.86L302.86 401.94c-14.02 10.12-30.44 15.19-46.86 15.19zm237.61-254.18c-8.85-6.94-17.24-13.47-29.61-22.81V96c0-26.51-21.49-48-48-48h-77.55c-3.04-2.2-5.87-4.26-9.04-6.56C312.6 29.17 279.2-.35 256 0c-23.2-.35-56.59 29.17-73.41 41.44-3.17 2.3-6 4.36-9.04 6.56H96c-26.51 0-48 21.49-48 48v44.14c-12.37 9.33-20.76 15.87-29.61 22.81A47.995 47.995 0 0 0 0 200.72v10.65l96 69.35V96h320v184.72l96-69.35v-10.65c0-14.74-6.78-28.67-18.39-37.77z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Nachrichten<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-calendar-alt\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M148 288h-40c-6.6 0-12-5.4-12-12v-40c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40c0 6.6-5.4 12-12 12zm108-12v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm96 0v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm-96 96v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm-96 0v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm192 0v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm96-260v352c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V112c0-26.5 21.5-48 48-48h48V12c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v52h128V12c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v52h48c26.5 0 48 21.5 48 48zm-48 346V160H48v298c0 3.3 2.7 6 6 6h340c3.3 0 6-2.7 6-6z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Kalendern<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-folder\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M464 128H272l-54.63-54.63c-6-6-14.14-9.37-22.63-9.37H48C21.49 64 0 85.49 0 112v288c0 26.51 21.49 48 48 48h416c26.51 0 48-21.49 48-48V176c0-26.51-21.49-48-48-48zm0 272H48V112h140.12l54.63 54.63c6 6 14.14 9.37 22.63 9.37H464v224z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Dokumenten<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-users-cog\" viewBox=\"0 0 640 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M610.5 341.3c2.6-14.1 2.6-28.5 0-42.6l25.8-14.9c3-1.7 4.3-5.2 3.3-8.5-6.7-21.6-18.2-41.2-33.2-57.4-2.3-2.5-6-3.1-9-1.4l-25.8 14.9c-10.9-9.3-23.4-16.5-36.9-21.3v-29.8c0-3.4-2.4-6.4-5.7-7.1-22.3-5-45-4.8-66.2 0-3.3.7-5.7 3.7-5.7 7.1v29.8c-13.5 4.8-26 12-36.9 21.3l-25.8-14.9c-2.9-1.7-6.7-1.1-9 1.4-15 16.2-26.5 35.8-33.2 57.4-1 3.3.4 6.8 3.3 8.5l25.8 14.9c-2.6 14.1-2.6 28.5 0 42.6l-25.8 14.9c-3 1.7-4.3 5.2-3.3 8.5 6.7 21.6 18.2 41.1 33.2 57.4 2.3 2.5 6 3.1 9 1.4l25.8-14.9c10.9 9.3 23.4 16.5 36.9 21.3v29.8c0 3.4 2.4 6.4 5.7 7.1 22.3 5 45 4.8 66.2 0 3.3-.7 5.7-3.7 5.7-7.1v-29.8c13.5-4.8 26-12 36.9-21.3l25.8 14.9c2.9 1.7 6.7 1.1 9-1.4 15-16.2 26.5-35.8 33.2-57.4 1-3.3-.4-6.8-3.3-8.5l-25.8-14.9zM496 368.5c-26.8 0-48.5-21.8-48.5-48.5s21.8-48.5 48.5-48.5 48.5 21.8 48.5 48.5-21.7 48.5-48.5 48.5zM96 224c35.3 0 64-28.7 64-64s-28.7-64-64-64-64 28.7-64 64 28.7 64 64 64zm224 32c1.9 0 3.7-.5 5.6-.6 8.3-21.7 20.5-42.1 36.3-59.2 7.4-8 17.9-12.6 28.9-12.6 6.9 0 13.7 1.8 19.6 5.3l7.9 4.6c.8-.5 1.6-.9 2.4-1.4 7-14.6 11.2-30.8 11.2-48 0-61.9-50.1-112-112-112S208 82.1 208 144c0 61.9 50.1 112 112 112zm105.2 194.5c-2.3-1.2-4.6-2.6-6.8-3.9-8.2 4.8-15.3 9.8-27.5 9.8-10.9 0-21.4-4.6-28.9-12.6-18.3-19.8-32.3-43.9-40.2-69.6-10.7-34.5 24.9-49.7 25.8-50.3-.1-2.6-.1-5.2 0-7.8l-7.9-4.6c-3.8-2.2-7-5-9.8-8.1-3.3.2-6.5.6-9.8.6-24.6 0-47.6-6-68.5-16h-8.3C179.6 288 128 339.6 128 403.2V432c0 26.5 21.5 48 48 48h255.4c-3.7-6-6.2-12.8-6.2-20.3v-9.2zM173.1 274.6C161.5 263.1 145.6 256 128 256H64c-35.3 0-64 28.7-64 64v32c0 17.7 14.3 32 32 32h65.9c6.3-47.4 34.9-87.3 75.2-109.4z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Gruppen<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-436babb elementor-align-center elementor-widget elementor-widget-button\" data-id=\"436babb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/mailfence.com\/de\/#pricing\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Kostenlos anmelden<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ankundigung\"><strong>Ank\u00fcndigung<\/strong><\/h2>\n\n\n\n<p>Wir geben nun bekannt, dass die <strong>Protokolle TLS 1.0 und TLS 1.1 ab dem 2. Juni 2020 nicht mehr f\u00fcr den Zugriff auf nicht webbasierte Mailfence-Dienste (SMTP, IMAP, POP und XMPP) akzeptiert werden<\/strong>.<\/p>\n\n\n\n<p>Wir sind bereits <a href=\"https:\/\/blog.mailfence.com\/de\/mailfence-deaktiviert-web-support-for-sslv3-als-reaktion-auf-poodle\/\">in der Vergangenheit \u00e4hnlich vorgegangen<\/a>, indem wir SSLv3 auf allen Endpunkten deaktiviert und TLSv1.0 und TLSv1.1 f\u00fcr das Web am 01.10.2019 deaktiviert haben. Unten finden Sie die aktuelle Zeitachse.<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table><tbody><tr><td><strong>Service<\/strong><\/td><td><strong>Enddatum<\/strong><\/td><\/tr><tr><td><em>Web<\/em><\/td><td><em>01\/10\/2019<\/em><\/td><\/tr><tr><td><strong>SMTP (AUTH, MX)<\/strong><\/td><td><strong>02\/06\/2020<\/strong><\/td><\/tr><tr><td><strong>IMAP<\/strong><\/td><td><strong>02\/06\/2020<\/strong><\/td><\/tr><tr><td><strong>POP<\/strong><\/td><td><strong>02\/06\/2020<\/strong><\/td><\/tr><tr><td><strong>XMPP<\/strong><\/td><td><strong><strong>&#8211;\/&#8211;\/&#8212;<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Die Verwendung von TLS 1.2 und h\u00f6her gew\u00e4hrleistet eine gr\u00f6\u00dfere Sicherheit beim Zugriff auf Mailfence-Dienste.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-bin-ich-davon-betroffen\"><strong>Bin ich davon betroffen?<\/strong><\/h2>\n\n\n\n<p>Wenn Sie einen <a rel=\"noreferrer noopener\" href=\"https:\/\/caniuse.com\/#feat=tls1-2\" target=\"_blank\">modernen Browser<\/a> und eine <a rel=\"noreferrer noopener\" href=\"https:\/\/caniuse.com\/#feat=tls1-2\" target=\"_blank\">moderne Client-Software<\/a> verwenden, hat diese \u00c4nderung keine Auswirkungen auf Sie. Wenn Sie jedoch einen \u00e4lteren Client verwenden, m\u00fcssen Sie Ihre Konfiguration \u00e4ndern oder Ihre Software aktualisieren, wenn sie <a rel=\"noreferrer noopener\" href=\"https:\/\/clienttest.ssllabs.com:8443\/ssltest\/viewMyClient.html\" target=\"_blank\">TLS 1.2 nicht unterst\u00fctzen kann<\/a>.<\/p>\n\n\n\n<p>Um einer Unterbrechung des Service vorzubeugen, empfehlen wir jedem, <strong>sein \u00e4lteres E-Mail-Client-Programm vor dem 2. Juni 2020<\/strong> zu aktualisieren. Bitte informieren Sie sich in der Dokumentation Ihres Client-Programms \u00fcber weitere Einzelheiten.<\/p>\n\n\n\n<p>Falls noch etwas unklar ist oder Sie Fragen haben, <a href=\"mailto:support@mailfence.com\">lassen Sie es uns bitte wissen<\/a>.<\/p>\n\n\n\n<p>Mailfence ist eine&nbsp;<a href=\"https:\/\/mailfence.com\/de\/sichere-e-mail.jsp\">sichere<\/a> and <a href=\"https:\/\/mailfence.com\/de\/vertraulicher-e-mail-verkehr.jsp\">vertrauliche<\/a>&nbsp;E-Mail-Suite. Erfahren Sie mehr \u00fcber uns auf unserer <a href=\"https:\/\/mailfence.com\/de\/press.jsp\">Presse-Seite.<\/a> Oder folgen Sie uns auf <a href=\"https:\/\/twitter.com\/mailfence\" target=\"_blank\" rel=\"noreferrer noopener\">Twitter<\/a>\/<a href=\"https:\/\/www.reddit.com\/r\/mailfence\" target=\"_blank\" rel=\"noreferrer noopener\">Reddit<\/a> und bleiben Sie stets auf dem Laufenden.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>TLS ist ein Protokoll, das den Datenverkehr zwischen eine Client-Software und dem Server verschl\u00fcsselt. Es stellt auch sicher, dass der Software-Client mit dem richtigen Server spricht. Die Protokolle werden durch die Ver\u00f6ffentlichung neuer Versionen st\u00e4ndig verbessert, vor allem weil in den alten Versionen Schwachstellen gefunden werden. Diese Schwachstellen k\u00f6nnen dazu f\u00fchren, dass TLS ineffektiv ist [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":85842,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18712,452],"tags":[],"class_list":["post-16807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mailfence-neuigkeiten","category-sicherheit"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mailfence to stop support for TLS 1.0 and 1.1 starting June 2nd, 2020<\/title>\n<meta name=\"description\" content=\"Starting June 2nd, 2020 Mailfence will no longer support protocols TLS 1.0 &amp; 1.1 as they do not support modern cryptographic algorithms.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ank\u00fcndigung: Mailfence beendet am 2. Juni 2020 den Support f\u00fcr TLS 1.0 und 1.1 | Mailfence Blog\" \/>\n<meta property=\"og:description\" content=\"Ank\u00fcndigung: Mailfence beendet am 2. 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