Our .Net app works fine using current We.config settigs if we send emails to an external SMTP host. When we point it to our Exchange server it won't work! Any ideas please help. Are there specific SMTP Server settings we need for this to work with Exchange, or any Exchange Server settings that might be blocking this. The user account we are using does exist in Exchange!!!
Software/Hardware used: .Net 3.0 Framework, IIS Sever v6, MS SQL Server, Win Server 2003
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