Why append timestamp in maildir path

iRedMail will append timestamp in maildir path by default, here's why.

Depends on the tools/scripts you used to create mail accounts, it's tunable in scripts shipped within iRedMail and iRedAdmin (file settings.py, variable MAILDIR_APPEND_TIMESTAMP = True or False).

Note: Deleting mail accounts with iRedAdmin will not remove the mailboxes on file system, so that you can keep user's mailbox for some time.

Think about this situation: