Moving IMAP Folders With ImapSync
We're in the process of moving some servers around right now, and one of the things we need to do is move mail accounts around. I've been a big fan of IMAP over POP for a few years now, mainly because the messages are kept up on the server, which ultimately keeps every machine looking roughly the same. The unfortunate aspect of that is that when you move servers you have to find a way to get the messages over to their new home.
One of the more obvious ways to move messages is to proxy them through your own personal machine. To do that, you simply need to set up both accounts in a mail program ...