DOKK / manpages / debian 12 / cyrus-common / cyrus-dump.8.en
CYRDUMP(8) System Manager's Manual CYRDUMP(8)

cyrdump - dump mailboxes to stdout

cyrdump [-C <configfile>] [-v] [mboxpattern ...]

A tool for dumping IMAP mailboxes on a server.

Specify an alternate configuration file ( is used by default)
Increase program verbosity.
Project Cyrus CMU