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 From:  Jeffrey Goldberg <jeffrey at goldmark dot org>
 To:  Thomas <thomas at kenshi dot dk>
 Cc:  monowall <m0n0wall at lists dot m0n0 dot ch>
 Subject:  Re: [m0n0wall] 2 mailservers on the inside
 Date:  Mon, 21 Feb 2005 09:40:16 -0600
[mailed and posted]

On Feb 21, 2005, at 7:24 AM, Thomas wrote:

> This works like a charm - until server1 tries to send an email to 
> server2, or vice-versa. I can see in my logs that server1 obtains the 
> correct WAN IP for server2, but it is refused (by m0n0wall?) to 
> connect.
>
> Now the optimal solution would be to create a hosts file on each 
> server, telling them which domains are local, but seeing as I've had 
> no luck getting Postfix to read this hosts file, I'll settle for the 
> next best: opening up my m0n0wall for such a connection.

Your "next best solution" should really be a last resort.  I believe 
that you can create "routing data" specifically for poxtfix in one of 
the postfix configurations telling postfix to use a specific IP for a 
particular host or MX, overriding what it gets from normal host 
resolution.

-j