> We are running LMail 1.2a/1.8a and IBM TCP/IP 2.3.  As far as I can tell,
> and the last I've heard, neither of these products have features by which
> one could block spamming.  Any insights?  Thanks in advance...    --dk

Recent versions of Unix sendmail allow a number of anti-spam
measures to be implemented, such as rejecting mail with SMTP
MAIL FROM addresses not in the DNS.  One option is to use MX
records to direct incoming mail through a Unix system that
implements anti-spam measures.