{"id":19019276,"date":"2026-09-14T07:54:26","date_gmt":"2026-09-14T07:54:26","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/remote-server-returned-550-5-7-708\/"},"modified":"2026-09-14T07:54:26","modified_gmt":"2026-09-14T07:54:26","slug":"remote-server-returned-550-5-7-708","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/remote-server-returned-550-5-7-708\/","title":{"rendered":"Remote server returned &#8216;550 5.7.708"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I just tried setting up a new email account for use with FluentSMTP v2.4.0, and I&#8217;ve spent the past 4 hours trying to figure out what the heck is going on. <br \/><br \/>Here&#8217;s the error message I&#8217;m getting: Remote server returned &#8216;550 5.7.708 Service unavailable. Access denied, traffic not accepted from this IP. <\/p>\n","protected":false},"template":"","class_list":["post-19019276","topic","type-topic","status-publish","hentry","topic-tag-error-message"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19019276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19019276\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19019276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}