http://portal.incognet.i2p/knowledgebase/6/Do-you-allow-Tor-relays-or-exits.html
Print tor, relay, exit, tor exit, exit policy 108 Yes, we do allow Tor Relays and Exit Relays per http://incognet.i2p/tor-exits . Please make sure you utilize a strict exit policy that only allows for access to common web browsing ports (80, 443) and ports required for communication.