Munir Nassar writes: > too lazy to check the exact RFC at this moment, but basically it > states that the sending mailserver has to have an MX record, that is > it has to be a mailserver. You should check RFC 2821, because it says no such thing. > Another thing that the recipient > mailserver should check for is the domain sent with the helo/ehlo > command, many sendmail installations simply send localhost, which is > invalid according to the RFC, and should also be rejected. RFC 2821 section 3.6 states that the name given must be a primary host name or an address literal. Section 4.1.4 states that the server may verify the name given, but must not refuse to accept a message because the verification failed. -- David Phillips <david at acz.org> http://david.acz.org/ _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota http://www.mn-linux.org tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list