{"id":18943870,"date":"2026-06-20T11:55:41","date_gmt":"2026-06-20T11:55:41","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/greylisting\/"},"modified":"2026-06-20T11:55:41","modified_gmt":"2026-06-20T11:55:41","slug":"greylisting","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/greylisting\/","title":{"rendered":"Greylisting"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I\u00b4d like to use the plugin with a non-auth mailserver. So there are no credentials and this is fine, as long as the mails are sent to my own mailadress. But greylisting might be an issue if the webhoster ip might change. Is there any kind of feature that deals with this? Like a re-try function (in the Pro Version)?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8212;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SERVER -&gt; CLIENT: 450 4.2.0 : Client host rejected: Greylisted for 60 seconds<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> SMTP ERROR: RCPT TO command failed: 450 4.2.0 : Client host rejected: Greylisted for 60 seconds<\/p>\n","protected":false},"template":"","class_list":["post-18943870","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18943870","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\/18943870\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=18943870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}