See here [1][2] for one possibility. The self-hostable community edition with z-push allows Calendar, Notes, Contacts via ActiveSync. [1] https://kopano.io/ ht

See here [1][2] for one possibility. The self-hostable community edition with z-push allows Calendar, Notes, Contacts via ActiveSync. [1] https://kopano.io/ https://kopano.io/ [2] https://www.linuxlinks.com/kopano-groupware-application-suite-zarafa/ https://www.linuxlinks.com/kopano-groupware-application-suit...