At 08:36 2000-06-14 -0400, Edward Marczak wrote:
>Again, any newer version of sendmail that I've set up (yes, from 'scratch',
>and running my own m4 compiled '.cf' file) already bounces unknown IDs and
>copies postmaster.
I've never seen a sendmail that bounces unknowns to postmaster by default.
That sounds like a recipe for a DoS attack on the postmaster ;-)
The default, and IMHO correct, behavior is a 550 failure. The mail is not
even accepted. That's what happening here. The problem is that it
terminates his fetchmail session.
Tony
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