cyrus-admin 3.4.3-3build2 (s390x binary) in ubuntu kinetic

 This package provides the administrative tools for the Cyrus IMAPd suite.
 It contains the cyradm tool which can be used to administer
 both local and remote Cyrus mail systems. It also contains sieveshell
 and its deprecated cousin installsieve, which can be used to manage
 sieve scripts.
 .
 For more information, please see the cyrus-common package.