Email migration script

[cra-WCkJK2/AXBA at public.gmane.org (Chuck Anderson)]

On Mon, May 09, 2011 at 08:58:17AM -0400, Matt Shields wrote:
> Does anyone have a script that will either POP3 or IMAP to a source mail
> server and copy to a destination mail server?  Normally I've done this by
> just using the client's credentials to copy mailboxes one at a time with
> Thunderbird, but I have a client with a couple hundred mailboxes.  The
> script can be either PHP, Bash, Perl, Ruby or Python.  It can be as simple
> as it only takes 1 mail box at a time, and I'll write my own wrapper around
> it.

fetchmail?