From what I am reading, the change is based in the fact that Event Sinks
have been replaced by Transport Agents, and that Exchange 2007 no longer
depends on IIS.
smtpreg.vbs allowed you to touch the IIS SMTP Service and add rules to
it (allowing VBScript or EXEs to intervene prior to message
I was happily humming along with Spamassassin on Win2k3 with Exchange 2003
for some time now (yes, you can do it all on one box). I was using Chris
Lewis' ESA sink which worked great. However, after an upgrade to Exchange
2007, I've come to realize that the old smtp sinks have been
