Viktor Dukhovni:
However, right below that is:
http://www.postfix.org/postconf.5.html#strict_smtputf8
which will do the job.
Thank you, Victor. That setting indeed allows me to reject Unicode
characters (and not just BOMs) in a MAIL FROM command, when SMTPUTF8
isn't specified, as I ini
Viktor Dukhovni:
Have you tried:
strict_rfc821_envelopes = yes
? There's nothing special about a "UTF-8 BOM" (there's no such thing in
UTF-8 actually UTF-8 has no little-endian form). It is rather likely
that your sender was not using SMTPUTF8, and so the encoding of non-ASCII
envelope
Wietse Venema:
What is the difference with final delivery to Dovecot?
There is nothing special about the fact that I'm doing final delivery to
Dovecot, but it is what made me notice the problem. I just personally
consider it invalid for an envelope sender address to contain a UTF BOM,
and I
n'
sleep 1
utf_bom=$(printf '%b' '\xEF\xBB\xBF')
printf 'MAIL FROM: \n'
#printf 'MAIL FROM: \n'
sleep 1
printf 'RCPT TO: \n'
sleep 1
printf 'DATA\n'
cat <
To: Zach Callear
This is a test message.
.
BODY
---
