Re: [Evolution] Evolution and Exchange 2007 (aka 5.5) on Fedora - port 135



On Tue, Sep 9, 2008 at 8:31 AM, Johnny Jacob <jjohnny novell com> wrote:
On Mon, 2008-09-08 at 10:48 -0400, Paul Smith wrote:
On Mon, 2008-09-08 at 15:55 +0200, Valent Turkovic wrote:
I tracked the issue and got a confirmation on irc that the port 135
needs to be opened on corporate firewall in order for mapi-provider to
work. I thought that ports 80 and 443 were enough because older
evolution-exchange provider worked like that, and I saw no mention of
this on official FAQ.


If you have access to the server then there are several guides online on
how to configure exchange / outlook under a firewall.

Would be nice if this could be tested with the provider :)

Thanks a lot !

The Evolution Exchange connector uses the Exchange Open Web Access (OWA)
interface, which is essentially the Exchange webmail interface, to
contact Exchange.  Thus, to use the connector you need to have the Web
ports open (80 and 443, for HTTP and HTTPS respectively).

However, the new mapi-provider backend talks to the server using
Microsoft MAPI protocol, which is the same protocol that Outlook uses to
talk to Exchange.  This protocol uses different ports, of course, since
it's a different protocol.

Before my company switched to new Exchange 2007 I could read email
from wherever I was (over public facing owa through Evolution Exchange
Connector), and if I understand you now this is not possible now
because ports that are needed to do the communication are usually
blocked by corporate firewall.

Ok, I can use my email via Evolution now when I'm inside the company's
LAN but before I had been spoiled by accessing my email from home or
from anywhere else. Is there some solution to this?

Cheers,
Valent.


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