nunder
05-22-2001, 04:23 PM
Well, I'm not even sure that I'm typing this qq right, but, here goes:
I've got a RH Linux box running my firewall. I've setup logical interfaces on the external interface for my HTTP, and SMTP server. I've also setup MASQ rules (ipmasqadm portfw -a -P tcp -L <logical address> <port num> -R <internal address> <port num> ) to pass the traffic to the appropriate server. Some mail is still getting bounced. When I do a sendmail -v -q, I can see the remote mail server talking to the firewall, instead of the logical IP of the mail server. Then, it says "Domain of sender address username@network.com does not resolve". I can finger the user on the mail server, and get the information, I can do an nslookup for the mx record for my domain, and it resolves properly, I can then do an nslookup for the mail server, which resolves properly, and I can telnet from an outside machine to port 25 of the mail server, and the appropriate mailserver responds. Any ideas?
I've got a RH Linux box running my firewall. I've setup logical interfaces on the external interface for my HTTP, and SMTP server. I've also setup MASQ rules (ipmasqadm portfw -a -P tcp -L <logical address> <port num> -R <internal address> <port num> ) to pass the traffic to the appropriate server. Some mail is still getting bounced. When I do a sendmail -v -q, I can see the remote mail server talking to the firewall, instead of the logical IP of the mail server. Then, it says "Domain of sender address username@network.com does not resolve". I can finger the user on the mail server, and get the information, I can do an nslookup for the mx record for my domain, and it resolves properly, I can then do an nslookup for the mail server, which resolves properly, and I can telnet from an outside machine to port 25 of the mail server, and the appropriate mailserver responds. Any ideas?