{"id":19001824,"date":"2026-08-24T20:52:05","date_gmt":"2026-08-24T20:52:05","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/version-4-0-0-beta-1-issues\/"},"modified":"2026-08-24T20:52:05","modified_gmt":"2026-08-24T20:52:05","slug":"version-4-0-0-beta-1-issues","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/version-4-0-0-beta-1-issues\/","title":{"rendered":"Version 4.0.0-beta.1 issues"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I get the error message <strong>\u201cOutgoing Mail Server Hostname and Port cannot be empty\u201d<\/strong> when selecting <strong>Yes<\/strong> to use a fallback, and no further options appear when selecting Yes, as the guide says. Disabling <strong>Use fallback<\/strong> produces the same error message.<\/p>\n","protected":false},"template":"","class_list":["post-19001824","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19001824","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\/19001824\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19001824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}