Sendmail 8.8.8 for UNIX now has a fuction that allows the mail server
to block mail from any specified domains, i.e. Cyberpromotions,
Savethetrees, etc. I talked to my ISP and they are in the process of
setting it up right now. It can also add security to their ports that
will keep people from telnetting in from another domain so they can send
I expect that my mailbox will become a more efficient business tool in
the near future.
VP-Director of IS Operations