Path: utzoo!attcan!uunet!samsung!zaphod.mps.ohio-state.edu!sdd.hp.com!ucsd!ucbvax!VAX.FTP.COM!fks
From: fks@VAX.FTP.COM (Frances Selkirk)
Newsgroups: comp.protocols.tcp-ip
Subject: Re:  is user@iguana == user@iguana.UUCP or user@iguana.local.domain?
Message-ID: <9008141232.AA16503@vax.ftp.com>
Date: 14 Aug 90 12:32:30 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 3

The program here for posting news also replaces .com with .UUCP. News is 
the only place I have ever seen this happen. I correct it in the FROM line
while editing my messages. This is not elegant, but it works.