In response to our required mail solution criteria we posted last week, reader Russell Cohen offers the following, overlooked application.
I would suggest having a look at the Novell NetMail 3.1 or Novell NetMail XE products, which I think meet all your criteria. The products was formerly known as the Novell Internet Messaging System (NIMS) and is part of Novell's heritage from the Novonyx era. Here are some links:
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