>> For low bandwith connections this could be useful but I don't know if >> that's a typical case nowadays. Together with the IMAP IDLE command it >> should be fine for mobile devices... >> >> [1] http://tools.ietf.org/html/rfc4978 > > I thought that this was supported in 2.3.16. It's definitely in CVS, not sure what released version it's in (check the changelog?). We use it at FastMail. http://blog.fastmail.fm/2009/05/01/help-test-proxy-to-improve-imap-performance/ Rob ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html