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Hi, I have a mail server running on a VirtualBox 5.2 VM. Built a a couple years ago using Perfect Server instructions, Ubuntu 16.04 Server, Apache, MySql, PHP7, Postfix, Dovecot (pop only, not imap), roundcube, ispconfig.

It's been 100% rock solid, but when I first installed Virtualbox, I didn't realize installing my mail server on a dynamic disk would cause it to explode over time to 300GB due to dozens of snapshots taken and deleted when I was setting it up. It's only using about 10GB of of actual data so backing it up has been a painfully slow.

I want to migrate it to a new 30GB fixed size disk to make it easier to do backups. I started by rebuilding the same base server by installing the same versions of all the packages on my current VM.

I've moved dumps of my roundcube, ispconfig, phpmyadmin, and mysql databases to the new machine. I've also rsync'ed my entire vmail folder and dovecot folder, and postfix main.cf and master.cf files. I believe overwriting the main.cf and master.cf files is all I need to do for postfix. But for dovecot, are there other files I need to be looking at besides just dovecot.conf? I simply don't remember if I had to modify other dovecot files when I set this up previously.

Any suggestions on important things to consider as I proceed?

Thanks as always
07-21-2018, 12:50 PM
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