On Wed, 12 May 2010, Sean Conner wrote:
To be charitable to Dan, perhaps he's talking
about sendmail, which was
written in 1981, althought the only person that can definitively state one
way or the other is Allman.
There was a LOT of email software developed (often on Sun computers) in
the mid 1980s, mostly for the purpose of making it easy for a spammer to
be able to send out unwanted email that is hard to trace, without having
to learn much of the details of the computer, OS, or mail protocol.