What would be the best strategy? Create a new user and change postfix, amavis and Courier-IMAP to use this user for message storing? Is it easy to adjust configuration for this new user?
Also, I think this is not causing my duplicate email, right? Daniel > No, this is wrong, the "postfix" user must not be the owner the virtual > mailboxes, and should not be used by the IMAP server to access them. > Fix your configuration to avoid this problem. > > Use a suitable imap user, not "postfix".