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- Newsgroups: comp.mail.headers
- Path: sparky!uunet!cs.utexas.edu!sdd.hp.com!ux1.cso.uiuc.edu!mp.cs.niu.edu!rickert
- From: rickert@mp.cs.niu.edu (Neil Rickert)
- Subject: Re: can an @domain be numeric?
- Message-ID: <1992Aug21.191340.3743@mp.cs.niu.edu>
- Organization: Northern Illinois University
- References: <9208211741.AA28843@cognition.pa.dec.com>
- Date: Fri, 21 Aug 1992 19:13:40 GMT
- Lines: 17
-
- In article <9208211741.AA28843@cognition.pa.dec.com> vixie@PA.dec.com (Paul A Vixie) writes:
- >rfc822 implies "yes". many IBM/VM/SMTP mailers seem to say "no" in that
- >if they see
- >
- > From: user@10.977.enet.dec.com
- >
- >they yell about the "1" following the "@".
-
- You can't go by RFC822 on this. RFC822 was apparently written to be
- completely general, and not specific to Internet domains.
-
- The format of hostnames is defined in RFC952, and is amended in RFC1123.
- The RFC1123 amendmendments specifically allow digits, so the address you
- give is OK.
-
- By the way, some IBM/VM/SMTP mailers reject 3com.com also.
-
-