{"id":1163,"date":"2026-11-06T22:56:06","date_gmt":"2026-11-06T22:56:06","guid":{"rendered":"https:\/\/www.bpweb-status.com\/?p=1163"},"modified":"2026-11-07T00:31:28","modified_gmt":"2026-11-07T00:31:28","slug":"issues-sending-email-to-microsoft-365-and-outlook-hotmail","status":"publish","type":"post","link":"https:\/\/www.bpweb-status.com\/?p=1163","title":{"rendered":"Issues sending email to Outlook.com"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">We are seeing some email sent to Outlook, Hotmail, Live and MSN rejected with the following bounce-back error message:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>550 5.7.1 Message rejected: Message lacks SPF\/DKIM\/DMARC Auth Records<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Outlook.com appear to have started to reject email from domains without a DMARC record, even if they have SPF and\/or DKIM in place.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span style=\"text-decoration: underline;\">Do I need to take any action?<\/span><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Domains using our name servers:<\/strong> These are not affected, we automatically add a DMARC record for you.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Domains using external name servers:<\/strong> These need a DMARC record adding if they don&#8217;t have one.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span style=\"text-decoration: underline;\">What to do if your domains use external name servers<\/span>:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your domains use external name servers, double check a DNS record called <strong>_dmarc<\/strong> exists. If it doesn&#8217;t exist, add the following DNS record to set one up:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Name:<\/strong> _dmarc<br><strong>Type<\/strong>: TXT<br><strong>Value<\/strong>: v=DMARC1; p=none;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you are still having issues, please contact support with a copy of the bounce-back error message you receive.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We are seeing some email sent to Outlook, Hotmail, Live and MSN rejected with the following bounce-back error message: 550 5.7.1 Message rejected: Message lacks SPF\/DKIM\/DMARC Auth Records Outlook.com appear to have started to reject email from domains without a DMARC record, even if they have SPF and\/or DKIM in place. Do I need to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1163","post","type-post","status-publish","format-standard","hentry","category-yellow"],"_links":{"self":[{"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=\/wp\/v2\/posts\/1163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1163"}],"version-history":[{"count":26,"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=\/wp\/v2\/posts\/1163\/revisions"}],"predecessor-version":[{"id":1202,"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=\/wp\/v2\/posts\/1163\/revisions\/1202"}],"wp:attachment":[{"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bpweb-status.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}