As a matter of fact it is to relay from the outside world. WITH smtp auth. It was for a competiton I was in this weekend and I was trying to use sme server as an alternative to exchange. SMTP wouldn't send any text back outside of the original subnet (via telnet ip.ad.dr.es 25) The scoring engine didn't support tls or ssl, and they needed to send internal emails. I am not setting up an open relay, even though it wouldn't have been a huge deal being that it was in a controlled seperated lan.....