Monthly Archives: October 2013

Deep Diving with Mail Routing Scenarios – Microsoft Exchange Server 2013

Scenario 1 – Incoming mail on multi-role server Internet email is received on port 25 of Frontend transport service running on CAS server and then it proxies to the Transport component of mailbox server on port 2525, the transport component … Continue reading

Posted in Exchange Servers | 6 Comments

Understanding Client Access Protocol Connectivity Flow – Microsoft Exchange Server 2013

Autodiscover (External Clients) – Exchange 2010 coexistence with Exchange 2013   Exchange 2010 Client queries internet DNS for autodiscover.contoso.com and connects to internet facing site Exchange 2013 CAS server and it then proxies the request to 2010 CAS server. CAS … Continue reading

Posted in Exchange Servers | 7 Comments