>Email is flowing smoothly and the BBS is accepting >connections. We've got a firewall and I suspect the problem >originates there but I haven't a clue how to convince our >Tech Support people of this. (They're all PC-biased and >want to believe that TFS is the source of the problem.)
I think you're on the right track. Since you can get in via the lan, that shows that TF is up and running. TF doesn't have any way to "not answer" connections from outside the firewall -- it's likely that the port 80 connections are being routed elsewhere by the firewall.