Path: utzoo!utgpu!watserv1!watmath!att!ucbvax!MITVMA.MIT.EDU!JEFF From: JEFF@MITVMA.MIT.EDU (Jeff Harrington) Newsgroups: comp.protocols.tcp-ip Subject: Underscores Message-ID: <9102282032.AA15550@ucbvax.Berkeley.EDU> Date: 28 Feb 91 16:25:23 GMT Sender: daemon@ucbvax.BERKELEY.EDU Distribution: world Organization: The Internet Lines: 9 Hi, I've been getting complaints about my SMTP rejecting mail from sites with a underscore in its host name. If I read RFC 821 correctly, names may consist of letters, digits, and hyphens. Has this been liberalized recently? The site in question is: its_gate.cc.uow.edu.au Thanks, Jeff