sendmail without dns
I need to configure sendmail without DNS on a Fedora 1 box (MY_HOST).
Background: A firewall sends mail to email@example.com (MY_HOST) when certain conditions are met. On MY_HOST, glueware looks at notifier's received mail queue, does some processing, and sends a notification mail to an account at another domain. That domain can be part of a lookup done during processing--I can do without DNS for that piece.
My problem is that I cannot seem to get sendmail to receive that mail from the firewall. tcpdump shows the packets arriving, but nothing apears in notifier's received mail queue. I know how to configure this on HP-UX 11i, but that's an earlier version of sendmail. Fedora 1 is using sendmail-8.12.10-1.1.1.
Entries in /etc/hosts are:
127.0.0.1 localhost.localdomain localhost
184.108.40.206 MY_HOST MY_HOST.
220.127.116.11 mail mail.my.domain
a) points to mail.my.domain as the smart relay
/etc/resolv. conf does have an entry for our nameserver.
./etc/nsswitch.conf uses 'files' for hosts, not 'files dns'.
/etc/mail/local-host-names repeats the 18.104.22.168 entry from /etc/hosts, and I've even tried plugging the IP number in here. Which is essentially retarded, but I was completely out of ideas. *Way* out of ideas.
Any help appreciated,