From: Gerard Whelan (no email)
Date: Tue Nov 02 2004 - 05:36:12 EST
Thanks Victor. I will implement these changes and test it. Thanks again.
On Mon, 1 Nov 2004 11:34:23 -0500, Victor Duchovni
<> wrote:
> On Mon, Nov 01, 2004 at 04:08:01PM +0000, Gerard Whelan wrote:
>
> > I wondering if you could help me with the problem below. I am fairly
> > new to Postfix and this is probably a trivial problem for you Postfix
> > experts but I cannot get it to work. Your help is greatly
> > appreciated.
> >
> > I have it set up as an MX backup server. I have about 40 domains
> > specified in the /etc/postfix/relay_recipients file e.g @domain.com.
> > The problem is that these domains have subdomains such as
> > @staff.domain.com and the server is refusing to accept these mails
> > (correctly) as the domain @staff.domain.com is not specified in the
> > relay_recipients file. How do I get the MX backup server to accept all
> > mail to a particular domain and it's subdomains without having to
> > input all the subdomains manually for each 1st level domain which
> > would take forever? I have tried putting in @*.domain.com into the
> > relay_recipients file but this doesn't work - I would be grateful to
> > get some help on this as I have been trying to get this fixed for a
> > long time now. Thanks for your help in advance.
> >
>
> While you could use regular expression maps:
>
> http://www.postfix.org/regexp_table.5.html
> http://www.postfix.org/pcre_table.5.html
>
> You are better off replacing relay_recipient_maps with acces(5)
> tables:
>
> /etc/postfix/main.cf:
>
> # empty
> relay_recipient_maps =
>
> # Use on the RHS of the relay_domains table instead of "OK"!
> #
> smtpd_restriction_classes = relay_user
>
> # For relay domains either REJECT or resolve to "relay_user"
> # For "local" recipients the usual policy.
> #
> smtpd_recipient_restrictions =
> check_recipient_access hash:/etc/postfix/relay_domains
> permit_mynetworks,
> reject_unauth_destination
> ...
>
> # Safety: reject_unauth_destination just in case the relay_domains
> # table accidentally lists non-relay domains. Final "permit" allows
> # mail to valid recipients.
> #
> relay_user =
> permit_mynetworks,
> reject_unauth_destination,
> ... UCE checks for relay recipients ...
> permit
>
> # empty! Always use ".sub.domain" when desired.
> parent_domains_matches_subdomains =
>
> /etc/postfix/relay_domains:
> # Domain only with explicit valid users
> #
> example.com REJECT invalid recipient
> relay_user
> relay_user
> ...
>
> # Domain only, wildcard users
> #
> example.net relay_user
>
> # Domain and subdomains, wildcard users
> example.org relay_user
> .example.org relay_user
>
> --
> Viktor.
>
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