Received: from localhost by CS.UTK.EDU with SMTP (cf v2.9s-UTK) id MAA29887; Fri, 29 Dec 1995 12:13:26 -0500 Received: by CS.UTK.EDU (bulk_mailer v1.3); Fri, 29 Dec 1995 12:13:07 -0500 Received: from ester.dsv.su.se by CS.UTK.EDU with ESMTP (cf v2.9s-UTK) id MAA29850; Fri, 29 Dec 1995 12:13:04 -0500 Received: (from jpalme@localhost) by ester.dsv.su.se (8.7.1/8.7.1) id SAA08225; Fri, 29 Dec 1995 18:13:01 +0100 (MET) Date: Fri, 29 Dec 1995 18:13:00 +0100 (MET) From: Jacob Palme To: Mail and News integration mailing list , ietf-drums Subject: The syntax of Message-ID Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Apparently the syntax for Message-ID is different in news and e-mail. The syntax in news is in RFC 1036 defined as: Message-ID's have the syntax: "> In order to conform to RFC-822, the Message-ID must have the format: where full_domain_name is the full name of the host at which the message entered the network, including a domain that host is in, and unique is any string of printing ASCII characters, not including "<" (left angle bracket), ">" (right angle bracket), or "@" (at sign). and in RFC 822 the syntax is defined as: msg-id = "<" addr-spec ">" ; Unique message id addr-spec = local-part "@" domain ; global address local-part = word *("." word) ; uninterpreted The differences between the syntaxes are: (a) RFC 1036 allows any string in local-part, RFC 822 has sone restrictions on its format (b) RFC 1036 requires that the host name must be that of the submitting host, claiming that this is in order to be RFC 822 compliant, even though RFC 822 does not have this requirement. Can anything be done to make the two syntaxes equal? Could the drums document allow any string except blanks and ">" and "@" in the local-part of msg-id-s? Should drums say that the domain must be that of the submitting host, or should news accept that the domain need not be that of the submitting host? ------------------------------------------------------------------------ Jacob Palme (Stockholm University and KTH) for more info see URL: http://www.dsv.su.se/~jpalme