Editing an SMTP header with an Exchange 2007 Transport Agent
I'm currently writing an Exchange 2007 Transport Agent to replace some headers in all outgoing mails from a particular sender. I managed to replace the 'From' SMTP header successfully, but rewriting the 'Return-Path' header does not seem to work. To make this all happen, I have written a custom SmtpReceiveAgent and subscribe to the OnEn...