I'm looking into using Microsoft Exchange transport rules for adding some dynamic content to email signatures. I already know that I could pull dynamic data from Active Directory, but I haven't found anywhere any information on whether it is possible to use SQL with a transport rule.

So, my question: is it possible, via an API/SDK or just within a transport rule itself, to connect to a SQL database and pull data dynamically similar to the way you can pull dynamic data from AD attributes?


1 Answer 1


You certainly can, but not via transport rules. Hence these only allow basic HTML and these {{name}} attributes. You might want to look at this. It describes how to create custom transport agents. These would allow you to modify any outgoing message with the full ability of .NET and C#.

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