Re: rewriting and redirecting incoming address

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rewriting and redirecting incoming address
\ Juan Miscaro (24 Sep 2007)
. \ Noel Jones (24 Sep 2007)
. . \ Juan Miscaro (24 Sep 2007)
. . . \ Victor Duchovni (24 Sep 2007)

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Subject:	Re: rewriting and redirecting incoming address
Group:	Postfix-users
From:	Victor Duchovni
Date:	24 Sep 2007

On Mon, Sep 24, 2007 at 08:18:31AM -0400, Juan Miscaro wrote:

> > Yes, transport_maps is the right tool for this. Enclose an IP
> > address in brackets [...] to disable DNS lookups.
> > # transport for all mail addressed to example2.com
> > example2.com relay:[10.10.10.12]:2525
> > # or for a single user transport override:
> > user2 relay:[10.10.10.12]:2525
>
>
> I didn't know a transport map could specify a port.

The transport table specifies a transport and nexthop, the meaning of
the nexthop is transport specific. The smtp(8) delivery agent (used
with the "relay" transport) supports an optional ":port" extension
after the domain/gateway part of the nexthop:

http://www.postfix.org/smtp.8.html

SMTP DESTINATION SYNTAX
SMTP destinations have the following form:

domainname

domainname:port
Look up the mail exchangers for the specified
domain, and connect to the specified port (default:
smtp).

[hostname]

[hostname]:port
Look up the address(es) of the specified host, and
connect to the specified port (default: smtp).

[address]

[address]:port
Connect to the host at the specified address, and
connect to the specified port (default: smtp). An
IPv6 address must be formatted as [ipv6:address].

--
Viktor.

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