Automating virtual domains for qmail
vpopmail is a set of programs for creating and managing multiple virtual domains
on a qmail server, with full support for many POP/IMAP servers.
It supports MySQL, Sybase, Oracle, LDAP, and file-based (DJB constant
It handles 10 to 10 million users, and over 500K domains.
There is no official package available for openSUSE Leap 15.4