Dan's WebDAV 101

This blog covers Messaging API development for Exchange and Outlook. My name is Daniel Bagley, I'm on the Messaging Developer Team.

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  • Blog Post: OWA Single-sign-on support

    OWA 2010 and prior is considered non-extensible as far as Microsoft is concerned in the area of doing single-sign-on programmatically. The exception to this would be when a person is in-network and uses their existing network credentials to access OWA through Windows Authentication. Please understand...
  • Blog Post: Howto Delete Attachments with WebDAV

    The DELETE verb only works on Exchange 2003 SP1 - it will not work on any earlier version/service pack. CDOEX, CDO 1.21, Extended MAPI, etc can do this on Exchange 2000 or 2003. One possible work-around is to read the message stream using a WebDAV GET, modify the stream to remove the attachment...
  • Blog Post: Using ISAPI Extensions to change-out OWA Credential is not supported

    Single sign-on applications usually use an ISAPI Extension on Exchange servers in order to swap-out credentials being passed to OWA. This type of manipulation is not supported by Microsoft. In fact any thing which augments the behavior in this way is not supported. While such filters/extensions may have...
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