Can't receive emails for users of restored server backups

[Beany]

Okay…this issue was confirmed in this BLOG.

Debian 11 - Virtualmin - Account migration - Mailbox errors

SYSTEM INFORMATION OS type and version Debian 11 Webmin version 2.013 Virtualmin version 7.5 Hello one and all. No rush on this one as I’m just testing Debian 11 ATM. Scenario. Migrating a single backed up account in “tar” format from a Debian 10 Virtualmin installation to a new Debian 11 server as listed above. When I create a virtual server on the New Virtualmin Debian 11 install without importing the backup file (to test config). Ie: brand new manual setup of the domain. L…