Eugen Leitl wrote:
On Wed, Nov 07, 2007 at 01:41:18PM +0100, Lexi Pimenidis wrote:Our exit node has already been used to send spam over Port 80, i.e. using the yahoo web interface (there was a small discussion on that aNo. Spam has been sent via Yahoo. It's their problem, not Tor's. Blocking port 25 is different, because here you can spam end users directly.
Devil's advocate position: No, you can't. You can't connect directly to any user to send spam directly to their inbox. You *can* connect to arbitrary mail servers and request that they spam users, but that's their problem, not Tor's.
I think blocking port 25 is probably the right thing to do as a default, but I personally have all ports open on my server.
-Ben