Tom Browder:
> Thanks to Mark Sapiro, one of the Mailman developers, in 2011 I was able
> to get a set of mailing lists for multiple virtual hosts working, and now
> I'm in the process of moving to a new server (with the latest versions of
> Postfix and MM2 installed from src) and want to get a better feel for some
> of the Postfix part of the integration.
>
> Since my server has no real function at the moment except as a single-user
> remote host with multiple virtual hosts, I wonder if the following is
> possible in the main.cf file:
>
> myhostname = bogus.dom.ain
> mydomain. = dom.ain
> mydestination = $myhostname, localhost.$mydomain
>
> In other words, I want to make it clear to anyone taking over my admin
> duties that the server itself has no name meaningful from the outside.
>
> Will that impact normal operation of Postfix in its use of virtual alias
> domains? As far as I know, unless Potfix or MM2 use those to send a
> message, they should never be used from anywhere externally (except
> accidentally or maliciously).
If this server will send mail directly to the internet, then myhostname
should be a name that resolves to the internet IP address.
Wietse