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Re: how to limit the MAIL FROM domains for outgoing mail
From: Magnus Bäck (magnus
dsek.lth.se)
Date: Tue Nov 01 2005 - 12:05:45 CST
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On Tuesday, November 01, 2005 at 18:31 CET,
Udo Rader <udo.raderbestsolution.at> wrote:
> we have a rather complex postfix installation here and would now like
> to restrict the domains being used for _sending_ mails.
The envelope sender address then, I assume.
> I have really tried to find something in the vast documentation, but I
> did not come very far (or did not understand the various pieced needed
> for it).
>
> We have some local clients here but also a couple of external
> customers that we relay email for and some days ago I noticed that
> some of them are sending mails with "illegal" sender addresses.
Do they authenticate via SASL?
http://www.postfix.org/postconf.5.html#smtpd_sender_login_maps
http://www.postfix.org/postconf.5.html#reject_sender_login_mismatch
Do they connect from known addresses?
http://www.postfix.org/RESTRICTION_CLASS_README.html
[...]
--
Magnus Bäck
magnusdsek.lth.se
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