d0rk ✅<p><a href="https://mastodon.social/tags/Apple" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Apple</span></a> <a href="https://mastodon.social/tags/Mail" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Mail</span></a>.app + <a href="https://mastodon.social/tags/Notes" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Notes</span></a>.app still use <a href="https://mastodon.social/tags/STARTTLS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>STARTTLS</span></a> <a href="https://mastodon.social/tags/IMAP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IMAP</span></a> protocol as a default?</p><p>Did a "lsof -i Pn" on my Macbook to learn that Mail used for my providers both port 143 (insecure STARTTLS) + port 993 (<a href="https://mastodon.social/tags/TLS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TLS</span></a>). For sure I didn't explicitly configure this.</p><p>The checkbox in Accounts => Advanced and then ~"configure connection preferences automatically" is the culprit. Unchecking that, choose port 993 instead of 143 , restart the Mail.app (and Notes.app) everything is fine.</p><p>@ Apple : <a href="https://mastodon.social/tags/wtf" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wtf</span></a> ?</p>