[plug] name-based port forwarding with iptables

[Mike Holland]

On 5 Feb 2003, John wrote:

> to do is port forward based on the NAME of the server that's being
> requested.

 Not possible at IP level as Leon explained.
 
>  I want to do it with smtp, and one machine
> is running postfix and the other exim.

You could forward the smtp port to one machine, and configure that
to relay for the other. Would that be good enough? 
Will relaying get in the way of spam-rejection, or something?

-- 
You ain't seen nothing yet.  - Miguel de Cervantes