>
> As you surely know, a 5xx is sent back to the return-path, and it is
> almost always faked...
>
True, but you are issuing a 550 to the sending server, which in turn is
responsible for delivery of the MAILER-DAEMON to the return-path. Your
server is not sending the non-deliverable, therefor
>
> In order to get error codes that mean something, instead of
> '451 qq temp
> fail', you'll need to recompile qmail/netqmail.
>
And since we are talking about permanent failures, that should have said
"551 mail server permanently rejected message" where exit code is 31.
-
> Hello list and Jason Haar,
>
> A discussion on a local mailing list here
> raised an interesting point regarding the
> new psender functionality in qmail-scanner >= 1.21.
>
> Previously, qmail-scanner sent notifications for
> all incoming virus emails. This was prone to
> SMTP forgery, but at l
>
> So why don't we change qmail-scanner to return
> a 5xx SMTP error code and a short message when a
> virus email is quarantined?
>
> That way, a legitimate sender will instantly
> know that there is a problem with his email,
> instead of believing that the email was delivered
> successfully. I