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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custom mail headers
exchange managed API
exchange web services
Forms based authentication
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Dan's WebDAV 101
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OWA Web Parts not working in 2013 - "This content cannot be displayed in a frame"
A while back in 2013 (Cumulative Update 2) there was a change which causes a header called X-Frame-Options to be inserted into rendered OWA pages. This header tells browsers to not render content in an iFrame. This is a security feature which is meant to help prevent click-jacking. There is a WebPartsFrameOptionsType...
20 Jan 2015
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...
7 Aug 2012
OWA Web Part in an iFrame sample
I have not seen any examples of using OWA parts in an iFrame. However, I wrote such a sample recently and wanted to share it. The full OWA UI in an iFrame is not supported and its expected that doing so may fail at any given point and at different points depending upon the service pack and hotfix...
6 Jul 2012
How WebDAV - Use Basic Authentication with WebDAV even when FBA is enabled.
Some customers (developers) wish to use Basic Authentication when Forms Based Authentication (FBA) is enabled for Outlook Web Access (OWA). If OWA's FBA is enabled, all WebDAV access needs to be FBA authenticated - which means significant changes need to be done to the code - not to mention the testing...
1 Feb 2008
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...
4 May 2007
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