From: Arnaud Launay (asllaunay.org)
Date: Thu Jan 04 2007 - 10:26:31 CST

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Hello,

I've got a small problem with domains mapping on MX:

On the MX, things are defined as:

virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-mydestination.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-mailbox.cf
virtual_alias_maps = hash:/usr/local/mailman/data/virtual-mailman, proxy:mysql:/etc/postfix/mysql-virtual.cf, regexp:/etc/postfix/generic-aliases.cf

smtpd_recipient_restrictions =
        reject_unauth_pipelining,
        permit_mynetworks,
        permit_sasl_authenticated,
        reject_unauth_destination,
        reject_unknown_recipient_domain,
        check_recipient_maps,
        permit

I have several domains like

foobar.net foobar.com

in virtual_alias_maps for which mails are delivered without any
problem in the right virtual user (like foofoobar.com).

If it rejects as wanted unknown users for canonical domains:
250 smtp.foo.bar
mail from: aslfoo.bar
250 Ok
rcpt to: testfoobar.com
550 <testfoobar.com>: Recipient address rejected: User unknown

smtpd -v shows that
Jan 4 15:56:48 pomme postfix/smtpd[6124]: maps_find: virtual_alias_maps: foobar.com: not found
Jan 4 15:56:48 pomme postfix/smtpd[6124]: mail_addr_find: aslfoobar.com -> (not found)
Jan 4 15:56:48 pomme postfix/smtpd[6124]: maps_find: relay_recipient_maps: aslfoobar.com: not found

it doesn't for mapped domains:

250 smtp.foo.bar
mail from: aslfoobar.com
250 Ok
rcpt to: testfoobar.net
250 Ok

smtpd -v:
Jan 4 17:21:53 pomme postfix/smtpd[7153]: maps_find: virtual_alias_maps: hash:/etc/postfix/virtual_alias_maps(0,100): foobar.net = foobar.com
Jan 4 17:21:53 pomme postfix/smtpd[7153]: mail_addr_find: arnafoobar.net -> foobar.com
Jan 4 17:21:53 pomme postfix/smtpd[7153]: generic_checks: name=check_recipient_maps status=0

Seems that in the first it does NOT check relay_recipient_maps,
as it was in the virtual_alias_maps ?!?

Is it me, did I do something wrong, or did I just twisted the
config so that it does what I want by accident ?

        Arnaud.

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