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   Terence Eden (edent@mastodon.social)'s status on Thursday, 25-Apr-2024 23:10:53 JST Terence Eden

   Turning to Mastodon for tech support in an effort to save my sanity.

   Gmail is rejecting mail forwarded to it. But only *some* of the time.

   I own a domain - example.com
   It has SPK, DKIM, etc.
   It has a catch-all email address.
   Any email sent to it is forwarded to a Gmail address.
   This works 99% of the time.
   But some of the emails aren't delivered - with the reason:

   > SMTP error from remote mail server after end of data: 550 5.7.1 [ESA] Sender blocked.

   Is that a me problem or a Gmail problem?