Re: filtering mail from outside with dynamic address

[Wietse Venema]

Florin Andrei:
> Florin Andrei wrote:
> > 
> > Is there a way to bind the listener to an interface using the interface 
> > name (eth5:smtp) instead of the IP (1.2.3.4:smtp)?

No. The bind(2) system call specifies an address. Not an interface,
and not the route. Connections with source address of X are not
necessarily sent out via interface X. The interface is chosen
depending on the destination of the connection.

        Wietse