We are configuring a sendmail relay server and are having some problems. Sendmail was all setup and working nicely, until I came along to install and configure SuSEfirewall2. Even with the firewall shutdown, sendmail fails to respond to remote connections. Actually, the banner appears, but sendmail won't respond to a helo or any other SMTP commands. When attempted locally, this works fine. Again, this is with the firewall shutdown (SuSEfirewall2 stop). The same symptoms occur with the firewall loaded.
Any ideas on what I should be looking for?
This electronic message transmission is a PRIVATE communication which contains
information which may be confidential or privileged. The information is intended
to be for the use of the individual or entity named above. If you are not the
intended recipient, please be aware that any disclosure, copying, distribution
or use of the contents of this information is prohibited. Please notify the
sender of the delivery error by replying to this message, or notify us by
telephone (877-633-2436, ext. 0), and then delete it from your system.