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| Subject: | Re: External recipients within same domain |
| Group: | Postfix-users |
| From: | (Wietse Venema) |
| Date: | 12 Jan 2008 |
> I'm in the process of migrating our mail from an Exim based solution to
> a Postfix based solution.
>
> Some users initially will be on the Postfix box, which will see itself
> as ourdomain.com.
>
> Is there a way to tell Postfix that if user doesn't exist
> locally, to send the traffic to oldserver.ourdomain.com? I'd rather do
No, but you can set up an entry in /etc/aliases with the addresses
of each user who have not yet been migrated.
user: user
Actually, I would use the same alias file on both the Postfix and
the exim machine:
user1: user1
user2: user2
...
userx: userx
usery: usery
this way, mail for the user is always delivered where it should be.
> this as a catchall, as spammers doing dictionary attacks aren't likely
> to be coming from inside our network.
>
> Complicating factor: ourdomain.com is in mydestinations.
Not a problem as long as your right-hand side specifies the complete
server hostname, and a long as each server accepts mail for
server.
Wietse
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