Re: Issues with Recipient_Canonical mapping

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Issues with Recipient_Canonical mapping
\ Grant Griffith (29 Nov 2007)
. \ Grant Griffith (29 Nov 2007)
. . \ Noel Jones (29 Nov 2007)
. . . \ Grant Griffith (29 Nov 2007)
. . . . \ Noel Jones (29 Nov 2007)
. . \ mouss (29 Nov 2007)
. \ Noel Jones (29 Nov 2007)
. . \ Grant Griffith (29 Nov 2007)
. \ Magnus Bäck (30 Nov 2007)

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Subject:	Re: Issues with Recipient_Canonical mapping
Group:	Postfix-users
From:	Magnus Bäck
Date:	30 Nov 2007

On Thursday, November 29, 2007 at 15:20 CET,
Grant Griffith <ggriffith> wrote:

> I have tried to setup this mapping by adding the following line into
> our main.cf file.
>
> recipient_canonical_maps = hash:/etc/postfix/recipient_canonical.map
>
> The recipient_canonical.map file has entries like follows in it.
>
> @domain.net @domain.com
>
> It does rename @domain.net to @domain.com, however it does not do any
> of the other checks within Postfix. If a invalid email address sent
> to @domain.net is switched to @domain.com, it instantly forwards the
> message onto our Barracuda Spam Firewall without doing any of the
> valid recipients checks.

Yes, wildcard virtual or canonical rewriting breaks recipient
validation. The solution is to list individual entries for each user.

--
Magnus Bäck
magnus