[Dovecot] migrate 15K users to new domain name

[Jan-Frode Myklebust]

On Thu, Apr 19, 2012 at 02:01:44PM +0300, Odhiambo Washington wrote:
> 
> What do you mean by a "new domain" in this context?

The user's email addresses are changing from username at old.domain to
username at new-domain.

> Is the server changing?

No.

> Is the storage changing?

The user's home directory is based on the user's email address, so this
is changing.

> In my thinking, a domain change is as simple as using a rewrite rule in
> your MTA.

Also the user's login-names needs to change from old to new domain, and
all their data needs to move from old to new domain.


  -jf