{"id":605,"date":"2015-06-11T16:48:59","date_gmt":"2015-06-11T15:48:59","guid":{"rendered":"https:\/\/blogs.ncl.ac.uk\/isg\/?p=605"},"modified":"2015-06-11T16:48:59","modified_gmt":"2015-06-11T15:48:59","slug":"office365-and-spam-filtering","status":"publish","type":"post","link":"https:\/\/blogs.ncl.ac.uk\/isg\/?p=605","title":{"rendered":"Office365 and SPAM filtering"},"content":{"rendered":"<p>We&#8217;ve started the process of migrating staff email to Office 365 (see\u00a0<a title=\"http:\/\/www.ncl.ac.uk\/itservice\/email\/staff\/upgradingtomicrosoftoffice365\/\" href=\"http:\/\/www.ncl.ac.uk\/itservice\/email\/staff\/upgradingtomicrosoftoffice365\/\">http:\/\/www.ncl.ac.uk\/itservice\/email\/staff\/upgradingtomicrosoftoffice365\/<\/a>). We moved the IT Service this week &#8211; not totally without problems but that&#8217;s one reason we started on ourselves.<\/p>\n<p>We&#8217;ve had some feedback that people are getting more spam since the move which surprises us. We&#8217;re using Office 365 in hybrid mode which means that all mail from outside the University comes through our on-site mail gateways (as it always has) before being delivered to the Office 365 servers.<\/p>\n<p>The graph below shows stats for the last month &#8211; we&#8217;re still rejecting over 80% of the messages that arrive at the gateways. We know this isn&#8217;t catching everything but there&#8217;s a dramatic difference between an unfiltered mailbox to a filtered one.<\/p>\n<div id=\"attachment_607\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.ncl.ac.uk\/isg\/files\/2015\/06\/smtpf-month.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-607\" class=\"size-medium wp-image-607\" src=\"https:\/\/blogs.ncl.ac.uk\/isg\/files\/2015\/06\/smtpf-month-300x174.png\" alt=\"Mail filtering stats for last month\" width=\"300\" height=\"174\" srcset=\"https:\/\/blogs.ncl.ac.uk\/isg\/files\/2015\/06\/smtpf-month-300x174.png 300w, https:\/\/blogs.ncl.ac.uk\/isg\/files\/2015\/06\/smtpf-month-500x290.png 500w, https:\/\/blogs.ncl.ac.uk\/isg\/files\/2015\/06\/smtpf-month.png 503w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-607\" class=\"wp-caption-text\">SPAM filtering for the last month<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>We&#8217;ve started the process of migrating staff email to Office 365 (see\u00a0http:\/\/www.ncl.ac.uk\/itservice\/email\/staff\/upgradingtomicrosoftoffice365\/). We moved the IT Service this week &#8211; not totally without problems but that&#8217;s one reason we started on ourselves. We&#8217;ve had some feedback that people are getting &hellip; <a href=\"https:\/\/blogs.ncl.ac.uk\/isg\/?p=605\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1346,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-605","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=\/wp\/v2\/posts\/605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=\/wp\/v2\/users\/1346"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=605"}],"version-history":[{"count":3,"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=\/wp\/v2\/posts\/605\/revisions"}],"predecessor-version":[{"id":609,"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=\/wp\/v2\/posts\/605\/revisions\/609"}],"wp:attachment":[{"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.ncl.ac.uk\/isg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}