Sure you can, I use z-push [0] integrated with Kopano which works great. You can also use z-push with IMAP, CalDAV and CardDAV. The only issue I know of using I

Sure you can, I use z-push [0] integrated with Kopano which works great. You can also use z-push with IMAP, CalDAV and CardDAV. The only issue I know of using IMAP is that the z-push server polls your mailbox, so it's not true push, but vastly better than the battery drain of IMAP IDLE. [0] http://z-push.org http://z-push.org