EWS Best Practices: Understand Throttling Policies

Understanding throttling policies, their default values, and how they are applied is a key in Exchange Online where they are used to protect connectivity to the online mailboxes. These policies can be applied per user – so a service account can be granted a unique policy apart from other mailbox users in your organization. The…


EWS Best Practices: Use Autodiscover…

This is often overlooked but you should definitely use Autodiscover to get the EWS endpoint (Url) for each mailbox you are accessing.  Autodiscover is a process which involves sending requests to a few pre-determined URLs and optionally [edited 9/16/2011 by mstehle for clarification] some DNS and AD queries to identify the Autodiscover service endpoint and then calling…


New OSC Providers Available for Facebook and Windows Live–Your App is Next!

The Outlook team announced the availability of new Outlook Social Connector (OSC) providers for Facebook and Windows Live today.  The list of providers now includes LinkedIn and MySpace, as well as the aforementioned Facebook and Windows Live.  While this is cool from a consumer perspective, the capabilities here shouldn’t be lost on enterprise applicability.  What…


Exchange 2010 Developer Webcasts – Essential Exchange Web Services Knowledge…

UPDATE 4/12/2012: I just noticed the links below are dead.  You can still find the webcasts on MSDN though: http://msdn.microsoft.com/en-us/exchange/aa731550. I keep recommending these webcasts to people individually so I figured I should mention them here.  The EWS team put together a series of six webcasts on called “Exchange 2010 Development” but it really focuses on…


HOWTO: Return To Sender Transport Agent Sample

This transport agent identifies a message it wants to reject by looking for “[TEST]” in the subject.  If it finds a message to reject, it creates a new message to be sent back to the sender and attaches the original message being rejected to the new message.  To send the new message back to the…


Announcing EWSEditor 1.6.1!

EWSEditor 1.6.1 is now available for download at the EWSEditor Code Gallery project site! API coverage is a major focus of the 1.6.* releases of EWSEditor. The 1.6.1 release adds an OOF Settings and Availability form to this end. There were several bugs addressed in this release was well as some changes in the error…


EWSEditor Update Coming Soon…

In my introduction of EWSEditor I said I’d try to get an update out in January of 2010 – now it is late February and there is still no update.  What’s up with that?.. Well, life gets busy but I’ve also been working on improvements to ExRCA’s  EWS tests which you’ll see soon.  I’m also…