I can give you a good point on #2 why it should be done by QMAIL-SMTP rather
than TCPSERVER -- if you want to inhibit *all* connection from known SPAMmer
IP blocks _except_ where the sender can do SMTP-AUTH... TCPSERVER has no way
of handling this... Also, TCPSERVER doesn't provide SMTP error mes
I made some changes to tcpserver to support as many blacks lists as a person
wants several months ago -- I'm doing it by building a compile time table
(you could externalize it if you wanted and that would be super
enhancement). I've been planning on packaging the changes cleanly as
diffs -- but
