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SMTPUTF8 issue 2: Whether the mailfrom/rctpto addresses occur in the address header fields #6

Open arnt opened 9 months ago

arnt commented 9 months ago

Hi,

one of the EAI-related issues I come across is unintentional discrepancy between the mailfrom address and that mentioned in the From field. This can happen in any setup of course, but I only see it in connection with EAI. Perhaps because similar non-EAI bugs were fixed long ago.

Anyway, it would be great to detect it. I've seen people send garbage mailfrom addresses and apparently get negative spam scores because of it.