Sometimes it displays as plain text as expected, but sometimes it displays the way characters are shown when the encoding is wrong – question marks within diamond symbols, question marks within squares, etc.

I have identified and fixed a bug in Discourse that mangled emails saved to the database: fix email mangling (#37125) main ← Supermathie:fix_email_mangling merged 06:05PM - 15 Jan 26 UTC (UTC) …

This sort of stuff: 6<�g8�� It seems to show on “old destination address” and “invalid post” messages. I don’t have a lot to go on as there aren’t many to check.

Are these messages sent from Exchange? I ask because I’m familiar with this problem and 100% of the time I’ve seen it, Exchange was the sender and the culprit. My guess is that it’s erroneously sending out an opaque reference to an internal data store via SMTP. In the cases where it’s been solved,…

Yes there are Exchange headers. I wonder what’s up. Though not all Exchange emails appear like this. There are some “Bad destination address” rejected emails that appear as ordinary plain text.

[afbeelding] Jonathan5: Yes there are Exchange headers. I wonder what’s up. :person_shrugging: bad software sending out bad emails [afbeelding] Jonathan5: Though not all Exchange emails appear like this. Indeed, not all Exchange emails are bad :laughing: Should anyone come across thi…

Body of message in /admin/email-logs/rejected is sometimes displayed as gobbledegook

Ondersteuning

NateDhaliwal (Nate Dhaliwal) 1 november 2025 om 00:46 2

Hi there, could you send an example/screenshot of the issue? Thanks!

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Body of message in /admin/email-logs/rejected is sometimes displayed as gobbledegook

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