archivemail
Tool for Archiving and Compressing Old Email in Mailboxes
archivemail is a tool for archiving and compressing old email in mailboxes. It moves messages older than the specified number of days to a separate mbox format mailbox that is compressed with gzip. It can also just delete old email rather than archive it.
There is no official package available for openSUSE Leap 15.5Distributions
SUSE SLE-15-SP1
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.