From: Alexander Skwar (listenalexander.skwar.name)
Date: Sat Oct 07 2006 - 03:44:30 CDT

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Hello!

My setup is basically like this:

        Client -> Relay1 -> Relay2 -> Relay3 -> Destination

On the "Client" system and on the "Relay1" system, I've got
postfix installed; Client: 2.2.5 HP-UX 11.11, Relay1: 2.3.2 Linux.
On "Client", I've setup a cron job for root and in /etc/mail/aliases, I've got:

root: alexanderskwar.name

So, mails to rootclient will be redirected to alexanderskwar.name.
When the cron job now produces some output, a mail is generated and
sent to my adress (alexanderskwar.name). Everything just as expected.

My problem is, that the mails don't arrive at the "Destination"
system, because the "Relay3" system doesn't relay those mails. It
rejects with: "sender domain must exist". Yes, that's true - sender
domain doesn't exist in the Internet, it only exists in the "LAN".
Systems up to "Relay2" are in the LAN, "Relay3" and "Destination"
are in the Internet.

Can I somehow configure the "Relay1" system so, that it modifies the
From: adress if it matches certain criteria (like, it matches a given
adress)?

I CANNOT change the setup so, that "Relay1" or even "Client" directly
send to "Destination". It has to go over "Relay2". I've got no control
at all over "Relay2" or "Relay3".

Thanks a lot,

Alexander Skwar
--
Just because your doctor has a name for your condition doesn't mean he
knows what it is.

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