{"id":9320,"date":"2018-02-19T17:27:58","date_gmt":"2018-02-19T16:27:58","guid":{"rendered":"https:\/\/info.gwdg.de\/news\/en\/?p=9320"},"modified":"2018-02-19T17:27:58","modified_gmt":"2018-02-19T16:27:58","slug":"e-mails-are-delayed-rejected","status":"publish","type":"post","link":"https:\/\/info.gwdg.de\/news\/e-mails-are-delayed-rejected\/","title":{"rendered":"E-mails are delayed\/rejected"},"content":{"rendered":"<p><strong><u>Message-ID:<\/u><\/strong> 201802191720<br \/>\n<b><u>Time Frame:<\/u><\/b> 19.02.2018<br \/>\n<strong><u>Affected:<\/u><\/strong>\u00a0all users<br \/>\n<strong><u>Effects:<\/u><\/strong>\u00a0 E-Mails to Outlook\/Live\/Hotmail are rejected\/delayed<\/p>\n<p>Due to the phishing\u00a0 mails that were sent between 02.02. and 05.02.2018, some accounts were caught by the phisher and hacked. In his period a big amount of spam was sent from GWDG servers by utilizing the hacked accounts causing GWDG server IPs to be black listed. However, we were able to mitigate this issue by blocking the<\/p>\n<p>hacked users and change our IPs and remove the blacked listed IPs from most blacklists within the same period (02.02. \u2013 05.02.2018). Unfortunately, this was not case with Microsoft Spam protection service, which listed GWDG-IPs for a longer time and marked the e-mails \u00a0that sent from some of GWDG-IPs to be deleted silently.<\/p>\n<p>We\u00a0 have\u00a0 contacted Microsoft and set a quota of 30,000 Mails per day to bypass Spam filtering till their protection service logic raise the robustness of GWDG servers. As a sequence this situation, all\u00a0 sent mails to Microsoft mail domains (outlook, Hotmail, live , etc) are subject to a delivery delay.<\/p>\n<p>We\u00a0 apologize\u00a0 this inconvenience and we are keeping a contact with Microsoft to solve this issue completely.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Message-ID: 201802191720 Time Frame: 19.02.2018 Affected:\u00a0all users Effects:\u00a0 E-Mails to Outlook\/Live\/Hotmail are rejected\/delayed Due to the phishing\u00a0 mails that were sent between 02.02. and 05.02.2018, some accounts were caught by the phisher and hacked. In his period a big amount of spam was sent from GWDG servers by utilizing the hacked accounts causing GWDG server &#8230; <a title=\"E-mails are delayed\/rejected\" class=\"read-more\" href=\"https:\/\/info.gwdg.de\/news\/e-mails-are-delayed-rejected\/\" aria-label=\"Mehr Informationen \u00fcber E-mails are delayed\/rejected\">Weiterlesen<\/a><\/p>\n","protected":false},"author":99,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,43],"tags":[],"class_list":["post-9320","post","type-post","status-publish","format-standard","hentry","category-betriebsmeldungen","category-email-en"],"_links":{"self":[{"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/posts\/9320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/users\/99"}],"replies":[{"embeddable":true,"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/comments?post=9320"}],"version-history":[{"count":1,"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/posts\/9320\/revisions"}],"predecessor-version":[{"id":9321,"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/posts\/9320\/revisions\/9321"}],"wp:attachment":[{"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/media?parent=9320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/categories?post=9320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/info.gwdg.de\/news\/wp-json\/wp\/v2\/tags?post=9320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}