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Re: accepting mail for ""domain.com

From: Wietse Venema (wietseporcupine.org)
Date: Mon Feb 25 2008 - 09:13:20 CST

Wietse Venema:
> Aaron Bennett:
> >
> > Hi,
> >
> > I'm trying to understand why my postfix install accepts email for the
> > address: ""clarku.edu
>
> To reject bogus address forms, specify:
>
> strict_rfc821_envelopes=yes
>
> in main.cf.
>
> > I can stop it with a smtp_recipient_restriction, but since it doesn't
> > match any of my ldap maps as verified with postmap -q \"\"clarku.edu
> > $MAP, I think it oughta be rejected anyway. Where am I going wrong here?

(null)clarku.edu resolves to the null address, and the
null address resolves to the mail system itself, i.e. MAILER-DAEMON.

        Wietse