I'm porting an old exchange server 5.5 mail routing DLL to a SMTP Event Sink.
The plan is to keep the existing code and wrap the call to
rcRouteInboundMail with a ISMTPOnArrival interface.
All is going well except that I can't find any documentation on the
rcRouteInboundMail function and the possible DISP_ return values.
Any help is greatly appreciated.
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