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: https://github.com/discourse/discourse/pull/37125 Once this fix is pulled in, it should be fine.

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

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.

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

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지원

NateDhaliwal (Nate Dhaliwal) 11월 1, 2025, 12:46오전 2

안녕하세요, 해당 문제에 대한 예시나 스크린샷을 보내 주시겠어요? 감사합니다!

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Unexplained Email::Receiver::InvalidPost errors Bug	35	996	2월 4, 2026
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