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10/18/25
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Comment on [#14710] Headers encoded wrongly when replying to certain senders
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>>> >>>> If you look at line 9 and 10 from the tcpdump provided a few entries >>>> down, clearly Horde generates something that the MTA can't parse >>>> properly, though? >>> >>> Yes, and that is what I cannot reproduce. >> >> As a last ditch, can I make one of the recepients I have issues with >> send you a test email directly and see if that makes your server >> behave the same? >> >> -A > > Also, I found this snipped in the postix documentation, that seems to > explain it, and explains why you cannot reproduce it (you seem to run > exim from some bounce messages I've got): > > "When the Postfix SMTP server receives a message WITHOUT the SMTPUTF8 > request, Postfix handles the message as it has always done (at least > that is the default, see autodetection below). Specifically, the > Postfix SMTP server does not accept UTF-8 in the envelope sender > domain name or envelope recipient domain name, and the Postfix SMTP > client does not issue the SMTPUTF8 request when delivering that > message to an SMTP or LMTP server that announces SMTPUTF8 support > (again, that is the default). Postfix will accept UTF-8 in message > header values and in the localpart of envelope sender and recipient > addresses, because it has always done that." > > The two first sentences seem to be the problem. > > -A
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