1) Make sure /etc/resolv.conf is setup correctly....
if you can't do `host xxx.yyy.zzz', sendmail can't find
it either
2) sendmail is restrictive by design - you have to tell it
that you know the blood is upon your hands ;-}
on the black machine (your apparent gateway), make sure
this is in /etc/mail/sendmail.cf:
FEATURE(relay_entire_domain)dnl
--
Rick Nelson
C:\WINDOWS C:\WINDOWS\GO C:\PC\CRAWL