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Postfix Archives: Re: 19991231 and transport map

Re: 19991231 and transport map

Subject: Re: 19991231 and transport map
From: Giulio Orsero (giulioopobox.com)
Date: Sun Jan 02 2000 - 11:14:19 CST

On Sun, 2 Jan 2000 11:20:00 -0500 (EST), hai scritto:

>Why are you delivering local mail via an SMTP loopback link?

There is a box (with postfix), call it serverA, which accepts mail for
the internet from a lan via smtp, queues it (smtp is deferred) and sends
it when the dialup link goes up.

There is another box in the lan, with postfix, call it serverB.

I want users of serverA to be able to send mail to anotheruserserverB
via smtp.

smtp is deferred because serverA is not connected to the net all the
time, but I want smtp deliveries for local servers be immediate.

Till now I managed to do this but creating a new transport in master.cf
(a copy of smtp transport with another name), this transport is not
deferred; then I put a line in /etc/postfix/transport telling postfix
that when it receives mail for serverB it should deliver it using the
not-deferred smtp transport (which I called lansmtp).
This worked so far.

Now I upgraded to the latest official release. I used the old master.cf
and main.cf; when I send mail for anotheruserserverB, postfix on
serverA does a dns lookup for MX of serverB. This didn't happen before,
at least so it seems to me. Now the local-smtp delivery is done after
the dns timeout insted of immediately.

I'm asking if something is changed in the "transport" handling that
could cause this.
I'm sorry if I sent wrong info in the last emails. Hope this is ok.

Thanks. 

-- 
giulioopobox.com

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