> 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.