Postfix smtp through specific IP??? And Message ID issue

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#1 Tue, 06/28/2011 - 15:29
virtuality

Postfix smtp through specific IP??? And Message ID issue

Hi, I have several virtual domains with seperate ips on my virtualmin server.

When I send out email from one virtualdomain it goes out through the IP of another (perhaps random) IP. i.e. domain x y z I send from x and it goes out through y's ip. I send from y and it goes out sometimes through x's ip

Is there anyway I can bind smtp for x to x's ip (and y to y's ip ...)?

Also... my messageid has 123ABBC@(the senders host name) rather than 123ABBC@x is there anyway to force that as well?

I appreciate any pointing in the right direction!!

:) Thanks

Tue, 06/28/2011 - 15:36
andreychek

Howdy,

Email would go out via your default route on your server, which is typically setup to be your eth0 interface.

That's unfortunately not something that's configurable -- email will always go out via your server's primary/default IP address.

Also, the message ID would have the server's hostname in it. Unfortunately, that's not configurable either :-)

If the IP address and hostname that show up in the headers is an issue for any of your customers, that may mean it's time for them to look into a VPS where they can tweak all as much as they want. There's both free and paid versions of Cloudmin which can assist in provisioning VPS's on your server.

-Eric

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