claws-mail-managesieve-dbgsym 3.13.1-1.1ubuntu3 (i386 binary) in ubuntu xenial

 This plugin for Claws Mail mailer provides an interface for
 managing filtering scripts on Sieve-compliant mail servers.
 .
 It allows creating new, editing and removing existing server
 scripts. Syntax checking is also available, but knowledge of
 filtering language is required.