In message <20030109083803.GL16074@azeotrope.org>, Dave Huang writes:


>
>Hmm... if you can ping it, there must be a route to it... the only thing
>I can think of is that the other end is sending back ICMP destination
>unreachable when you try to connect to port 25. 
>?

Some firewalls do that.

		--Steve Bellovin, http://www.research.att.com/~smb (me)
		http://www.wilyhacker.com (2nd edition of "Firewalls" book)