This is partly off topic but I have never used forums like how-to forge and stackexchange to ask questions. On this site I currently...
My apologies for any confusion. I am using ISPConfig 3 and was in the process of attempting to figure out how to backup my email and found this...
ISPConfig stores email accounts in /var/vmail
tar up this directory and you have your entire email backed up
Separate names with a comma.