Canonical list of mail headers?

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2 total messages Started by David Paigen Tue, 01 Sep 1992 18:08

#1029

Author: David Paigen
Date: Tue, 01 Sep 1992 18:08

13 lines
951 bytes

I have read through RFC 822, but there are many headers that
I see on occasion that are not listed in that document.  Is
there a list of the "official" mail headers?  Or, does anyone
have a good list of the headers that you see more than once in
a lifetime?

Things like: Precedence, X-Mailer, etc.  (Yes, I know the later
is not 'official').

----------------------->"Lay on, McDuff,    14th c. ideals in a 21st c. world
David Paigen            and damn'd be he        N: PLO Bush IRA CIA KKK
TRW Financial Systems   who first cries,        S: terrorism pipe bomb kill
paigen@tfs.com          'hold, enough!'"        A: assasination maim

Re: Canonical list of mail headers?

#1037

Author: Steven D. Majewski
Date: Tue, 01 Sep 1992 23:56

118 lines
3079 bytes

In article <1992Sep1.180842.4553@tfs.com> paigen@tfs.com (David Paigen) writes:
>I have read through RFC 822, but there are many headers that
>I see on occasion that are not listed in that document.  Is
>there a list of the "official" mail headers?  Or, does anyone
>have a good list of the headers that you see more than once in
>a lifetime?
>
>Things like: Precedence, X-Mailer, etc.  (Yes, I know the later
>is not 'official').
>

Well, for a start here are the "official" ones I could find in various RFC's. 
Please send your submissions to comp.mail.headers. 

======== "If you have a hammer, find a nail" - George Bush,'91  =========
 Steven D. Majewski		University of Virginia Physiology Dept.
 sdm7g@Virginia.EDU		Box 449 Health Sciences Center
 Voice: (804)-982-0831/32	1300 Jefferson Park Avenue
 FAX:   (804)-982-1616		Charlottesville, VA 22908


-----------------

RFC822: Standard for ARPA Internet Text Messages: 

  -Minimum Required:
	Date:
	From:
	To:     or   Bcc: 

  -destination:
	To:
	Resent-To:
	Cc:
	Resent-cc:
	Bcc:
	Resent-bcc:

  -optional field:
	Message-ID:
	Resent-Message-ID:
	In-Reply-To:
	References:
	Keywords:
	Subject:
	Comments:
	Encrypted:


	Reply-To:

  -Other ( appended ):

	Resent-Reply-To:
	Resent-From:
	Resent-Sender:
	Resent-Date:

	Return-path:

	Received:




RFC1036: Standard for the interchange of Usenet Messages (News):
[ "Certain Headers are required, and certains other headers are optional. Any
  unrecognized headers are allowed, and will be passed through unchanged."]
  -Required Headers:
	From:
	Date:
	Newsgroups:  group.1[,group.2,...]
	Subject:
	Message-ID: <unique@full_domain_name>
	Path:
  -Optional Headers:
	Followup-To:
	Expires:
	Reply-To:
	Sender:
	References:
	Control:
	Distribution:
	Keywords:
	Summary:
	Approved:
	Lines:
	Xref: (local info only, don't send)
	Organization:




RFC1049: A Content-type header field for Internet Messages: 
 defines
	Content-Type:	{ POSTSCRIPT | SCRIBE | SGML | TROFF | DVI | X-atom }


RFC1154: Encoding Header Field for Internet Messages: 
 defines
	Encoding: 


RFC1341: MIME:Multipurpose Internet Mail Extensions
	MIME-Version:
	Content-Type:
	Content-Transfer-Encoding:
	Content-ID:
	Content-Description:
	



---------

Are "Status:" and "Precedence:" defined somewhere ? 

What are the common ( and FUNCTIONAL, i.e. not just decorative ) X-extensions: ?

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