Hi,
I wonder if this can be achieved easily. I'm migrating from one server
to another, which includes migrating the postfix mailserver as well. I'm
hosting a number of virtual domains on the mail server. Naturally I want
to make the transition as smooth as possible.
I'm planning to migrate the virtual domains one by one - and I will also
have to face the fact that the update of the MX record for the domain
will take some time. Thus, for some time, mail will arrive an both the
old and new locations from various sources.
Therefore I'm thinking about a solution where I can tell the old mail
server to accept the mail for the specific virtual host, but to forward
it immediately to the new server. Thus, even if the mail goes to the old
server, it will land at it's new and correct location. Of course, this
should only be working for the duration of the transition period.
I was looking at the documentation here:
http://www.postfix.org/VIRTUAL_README.html where there is a catch-all
virtual domain forwarding configuration - but that would forward all
mail to a single mail account. What I'm looking for is to forward a
complete domain - that is, all mail destined for that domain to be
forwarded to a different server, with the same recipient e-mail address.
Is such a setup possible? If so, how?
Akos