Antonin VERRIER via Postfix-users:
> Hello,
>
> I'm a bit confused about whether Postfix considers a client
> authenticated using XCLIENT to be SASL-authenticated or not.
If XCLIENT receives a SASL login name, Postfix assumes that client
is authenticated.
> Apparently "permit_sasl_authenticated" says no but
> "reject_sender_login_mismatch" says yes.
That is not working as intended. I can reproduce the problem on a
test machine with:
smtpd_relay_restrictions = permit_sasl_authenticated
reject_unauth_destination
Example:
$ telnet wzv smtp
Trying 168.100.3.7...
Connected to wzv.
Escape character is '^]'.
220 wzv.porcupine.org ESMTP Postfix
XCLIENT LOGIN=whatever
220 wzv.porcupine.org ESMTP Postfix
MAIL FROM:<>
250 2.1.0 Ok
RCPT TO:<wietse>
554 5.7.1 <wietse>: Relay access denied
Investigating...
Wietse
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