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).
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:
Employee Michael Jordan has email address mj@domain.ltd. Without timestamp
in maildir path, the maildir path of his mailbox looks like
/var/vmail/vmail1/domain.ltd/mj/.
Michael left company, and your company deleted his mail account. With
iRedAdmin, it just deletes mail accounts stored in LDAP/SQL server, not delete
his mailbox on file system (var/vmail/vmail1/domain.ltd/mj).
A new talent joined in, his name is Mike Jackson, and he want to use
mj@domain.ltd since mj@ is not used by others. And you created it for him.
Without timestamp in maildir path, the maildir path of Mike's mailbox is the
same as Michael's /var/vmail/vmail1/domain.ltd/mj/.
iRedAdmin doesn't remove the mailboxes on file system, so Mike will see all emails in Michael's mailbox if Michael didn't delete them. To avoid this, we append a timestamp in maildir path to make sure all users will be assigned a unique maildir paths.
If you found something wrong in this document, please do contact us to fix it.
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