php-horde-kolab-storage 2.2.1-1ubuntu1 (powerpc binary) in ubuntu xenial

 Storing user data in an IMAP account belonging to the user is one of the Kolab
 server core concepts. This package provides all the necessary means to deal
 with this type of data storage effectively.
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 This package is part of Horde, a web application Framework written in PHP with
 modules like IMP (webmail), Turba (contacts), Kronolith (calendar), Nag (task
 list), Gollem (file manager), etc.