On 16/06/2014 2:36 a.m., Martin Fuchs wrote: > Hi ! > Does anyone have experience with MAPI over HTTP used in Microsoft exchange server 2013 SP1 in conjunction with squid (as a reverse proxy) ? > Somehow it seems that it does not work with auth = PASS. > If anyone got it working, please let me know. > > Regards, > Martin > This may help you: http://windowsitpro.com/exchange-server-2013/exchange-server-2013-transition-rpc-http *apparently* MAPI should work find over any HTTP software such as Squid. The long-polling connections it uses are just standard HTTP transactions that take a very long time. What do you mean by "auth = PASS" ? Amos