Mails generated from Trello import have html entitys like < and > encoded, where they shouldn’t:
Mail-Content:
=09<p><strong>Spielleitung</strong> mentioned you in a task:</p>
=09<p><p>Die shared Accounts @moderation und @spielleitung sollten No=
tifications, mindestens Mentions, an Discord-Webhooks weiter reichen</p&=
gt;</p>
=09<p><p>API: <a href=3D"https://docs.joinmastodon.org/method=
s/notifications/#see-also" title=3D"smartCard-inline">htt=
ps://docs.joinmastodon.org/methods/notifications/#see-also</a></p&=
gt;</p>