;; Keep fields alphabetized. Mention source, if known.
(defvar mh-invisible-header-fields-internal
- '("Approved:"
- "Autoforwarded:"
+ '("Abuse-Reports-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Also-Control:" ; H. Spencer: News Article Format and Transmission, June 1994
+ "Alternate-recipient:" ; RFC 2156
+ "Approved-By:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Approved:" ; RFC 1036
+ "Article-Names:" ; H. Spencer: News Article Format and Transmission, June 1994
+ "Article-Updates:" ; H. Spencer: News Article Format and Transmission, June 1994
+ "Authentication-Results:"
+ "Auto-forwarded:" ; RFC 2156
+ "Autoforwarded:" ; RFC 2156
"Bestservhost:"
+ "Cancel-Key:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Cancel-Lock:" ; NNTP posts
- "Content-" ; RFC 2045
- "Delivered-To:" ; Egroups/yahoogroups mailing list manager
- "Delivery-Date:" ; MH
+;; "Comment:" ; Lets keep this one
+ "Comments:" ; RFC 2822
+ "Content-" ; RFC 2045, 1123, 1766, 1864, 2045, 2110, 2156, 2183, 2912
+ "Control:" ; RFC 1036
+ "Conversion-With-Loss:" ; RFC 2156
+ "Conversion:" ; RFC 2156
+ "DKIM-" ; http://antispam.yahoo.com/domainkeys
+ "DL-Expansion-History:" ; RFC 2156
+ "Delivered-To:" ; Egroups/yahoogroups mailing list manager
+ "Delivery-Date:" ; RFC 2156
"Delivery:"
- "DomainKey-Signature:" ;http://antispam.yahoo.com/domainkeys
- "Encoding:"
+ "Discarded-X400-" ; RFC 2156
+ "Disclose-Recipients:" ; RFC 2156
+ "Disposition-Notification-Options:" ; RFC 2298
+ "Disposition-Notification-To:" ; RFC 2298
+ "Distribution:" ; RFC 1036
+ "DomainKey-" ; http://antispam.yahoo.com/domainkeys
+ "Encoding:" ; RFC 1505
"Envelope-to:"
- "Errors-To:"
+ "Errors-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Expires:" ; RFC 1036
+ "Expiry-Date:" ; RFC 2156
"Face:" ; Gnus Face header
+ "Fax:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Followup-To:" ; RFC 1036
+ "For-Approval:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "For-Comment:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "For-Handdling:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Forwarded:" ; MH
"From " ; sendmail
- "Importance:" ; MS Outlook
- "In-Reply-To:" ; MH
- "Lines:"
- "List-" ; Mailman mailing list manager
- "List-" ; Unknown mailing list managers
- "List-Subscribe:" ; Unknown mailing list managers
- "List-Unsubscribe:" ; Unknown mailing list managers
+ "Generate-Delivery-Report:" ; RFC 2156
+ "Importance:" ; RFC 2156, 2421
+ "In-Reply-To:" ; RFC 2822
+ "Incomplete-Copy:" ; RFC 2156
+ "Keywords:" ; RFC 2822
+ "Language:" ; RFC 2156
+ "Lines:" ; RFC 1036
+ "List-" ; RFC 2369, 2919
+ "Mail-Copies-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Mail-Followup-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Mail-Reply-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Mail-from:" ; MH
- "Mailing-List:" ; Egroups/yahoogroups mailing list manager
+ "Mailing-List:" ; Egroups/yahoogroups mailing list manager
+ "Message-Content:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Message-Id:" ; RFC 822
+ "Message-Type:" ; RFC 2156
"Mime-Version" ; RFC 2045
"NNTP-" ; News
+ "Newsgroups:" ; RFC 1036
+ "Obsoletes:" ; RFC 2156
"Old-Return-Path:"
- "Original-Encoded-Information-Types:" ; X400
+ "OpenPGP:"
+ "Original-Encoded-Information-Types:" ; RFC 2156
"Original-Lines:" ; mail to news
"Original-NNTP-" ; mail to news
"Original-Newsgroups:" ; mail to news
"Original-Path:" ; mail to news
"Original-Received:" ; mail to news
+ "Original-Recipt:" ; RFC 2298
"Original-To:" ; mail to news
"Original-X-" ; mail to news
- "Originator:"
+ "Origination-Client:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Originator:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"P1-Content-Type:" ; X400
"P1-Message-Id:" ; X400
"P1-Recipient:" ; X400
- "Path:"
- "Precedence:"
+ "Path:" ; RFC 1036
+ "Phone:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Pics-Label:" ; W3C
+ "Posted-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Precedence:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Prev-Resent" ; MH
- "Priority:"
- "Received:" ; RFC 822
+ "Prevent-NonDelivery-Report:" ; RFC 2156
+ "Priority:" ; RFC 2156
+ "Read-Receipt-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Received-SPF:" ; Gmail
- "References:"
+ "Received:" ; RFC 822
+ "References:" ; RFC 2822
+ "Registered-Mail-Reply-Requested-By:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Remailed-" ; MH
+ "Replaces:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Replied:" ; MH
- "Resent" ; MH
+ "Resent-" ; RFC 2822
"Return-Path:" ; RFC 822
- "Sensitivity:" ; MS Outlook
+ "Return-Receipt-Requested:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Return-Receipt-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "See-Also:" ; H. Spencer: News Article Format and Transmission, June 1994
+ "Sensitivity:" ; RFC 2156, 2421
+ "Speach-Act:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Status:" ; sendmail
+ "Supersedes:" ; H. Spencer: News Article Format and Transmission, June 1994
+ "Telefax:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Thread-"
+ "Translated-By:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "Translation-Of:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"Ua-Content-Id:" ; X400
-;; "User-Agent:" ; Similar to X-Mailer, so display it.
"Via:" ; MH
+ "X-AMAZON" ; Amazon.com
"X-AOL-IP:" ; AOL WebMail
"X-Abuse-Info:"
"X-Abuse-and-DMCA-"
"X-Accept-Language:"
"X-Accept-Language:" ; Netscape/Mozilla
"X-Ack:"
+ "X-Admin:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Administrivia-To:"
"X-AntiAbuse:" ; cPanel
"X-Apparently-From:" ; MS Outlook
"X-Apparently-To:" ; Egroups/yahoogroups mailing list manager
+ "X-AuditID:"
"X-Authenticated-Sender:" ; AT&T Message Center (webmail)
"X-Authentication-Warning:" ; sendmail
"X-Barracuda-" ; Barracuda spam scores
"X-Beenthere:" ; Mailman mailing list manager
+ "X-Bigfish:"
"X-Bogosity:" ; bogofilter
- "X-BrightmailFiltered:" ; Brightmail
"X-Brightmail-Tracker:" ; Brightmail
+ "X-BrightmailFiltered:" ; Brightmail
"X-Bugzilla-" ; Bugzilla
- "X-Complaints-To:"
+ "X-Complaints-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "X-Confirm-Reading-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-ContentStamp:" ; NetZero
"X-Cron-Env:"
"X-DMCA"
"X-Delivered"
"X-EFL-Spamscore:" ; MIT alumni spam filtering
"X-ELNK-Trace:" ; Earthlink mailer
+ "X-Enigmail-Version:"
"X-Envelope-Date:" ; GNU mailutils
- "X-Envelope-From:"
+ "X-Envelope-From:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Envelope-Sender:"
- "X-Envelope-To:"
+ "X-Envelope-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Evolution:" ; Evolution mail client
- "X-Face:"
+ "X-ExtLoop"
+ "X-Face:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Folder:" ; Spam
"X-From-Line"
"X-Gmail-" ; Gmail
"X-Gnus-Mail-Source:" ; gnus
+ "X-Google-" ; Google mail
"X-Greylist:" ; milter-greylist-1.2.1
- "X-Habeas-SWE-1:" ; Spam
- "X-Habeas-SWE-2:" ; Spam
- "X-Habeas-SWE-3:" ; Spam
- "X-Habeas-SWE-4:" ; Spam
- "X-Habeas-SWE-5:" ; Spam
- "X-Habeas-SWE-6:" ; Spam
- "X-Habeas-SWE-7:" ; Spam
- "X-Habeas-SWE-8:" ; Spam
- "X-Habeas-SWE-9:" ; Spam
+ "X-HTTP-UserAgent:"
+ "X-Habeas-SWE-" ; Spam
"X-Hashcash:" ; hashcash
+ "X-IMAP:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "X-Image-URL:"
"X-Info:" ; NTMail
- "X-IronPort-AV:" ; IronPort AV
+ "X-IronPort-" ; IronPort AV
"X-Juno-" ; Juno
- "X-List-Host:" ; Unknown mailing list managers
+ "X-List-Host:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-List-Subscribe:" ; Unknown mailing list managers
"X-List-Unsubscribe:" ; Unknown mailing list managers
"X-Listprocessor-" ; ListProc(tm) by CREN
- "X-Listserver:" ; Unknown mailing list managers
- "X-Loop:" ; Unknown mailing list managers
+ "X-Listserver:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "X-Loop:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Lumos-SenderID:" ; Roving ConstantContact
"X-MAIL-INFO:" ; NetZero
"X-MB-Message-" ; AOL WebMail
"X-MHE-Checksum:" ; Checksum added during index search
"X-MIME-Autoconverted:" ; sendmail
+ "X-MIMEOLE:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/sendmail
"X-MIMETrack:"
"X-MS-" ; MS Outlook
+ "X-MSMail-Priority" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Mail-from:" ; fastmail.fm
"X-MailScanner" ; ListProc(tm) by CREN
"X-Mailing-List:" ; Unknown mailing list managers
"X-Mailman-Approved-At:" ; Mailman mailing list manager
"X-Mailman-Version:" ; Mailman mailing list manager
+ "X-Mailutils-Message-Id" ; GNU Mailutils
"X-Majordomo:" ; Majordomo mailing list manager
"X-Message-Id"
"X-MessageWall-Score:" ; Unknown mailing list manager, AUC TeX
"X-Msmail-" ; MS Outlook
"X-NAI-Spam-" ; Network Associates Inc. SpamKiller
"X-News:" ; News
- "X-No-Archive:"
+ "X-Newsreader:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "X-No-Archive:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Notes-Item:" ; Lotus Notes Domino structured header
"X-OperatingSystem:"
- ;;"X-Operator:" ; Similar to X-Mailer, so display it
"X-Orcl-Content-Type:"
+ "X-Original-Arrival-Type:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Original-Complaints-To:"
"X-Original-Date:" ; SourceForge mailing list manager
"X-Original-To:"
"X-Original-Trace:"
"X-OriginalArrivalTime:" ; Hotmail
+ "X-Originating-Email:" ; Hotmail
"X-Originating-IP:" ; Hotmail
+ "X-PMG-"
"X-Postfilter:"
"X-Priority:" ; MS Outlook
"X-Provags-ID:"
"X-Qotd-" ; User added
+ "X-RCPT-TO:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-RM"
"X-Received-Date:"
"X-Received:"
+ "X-Report-Abuse-To:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Request-"
"X-Resolved-to:" ; fastmail.fm
"X-Return-Path-Hint:" ; Roving ConstantContact
"X-SMTP-"
"X-Sasl-enc:" ; Apple Mail
"X-Scanned-By:"
- "X-Sender:"
+ "X-Sender:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-Server-Date:"
"X-Server-Uuid:"
"X-Sieve:" ; Sieve filtering
"X-Telecom-Digest"
"X-Trace:"
"X-UID"
- "X-UIDL:"
+ "X-UIDL:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-UNTD-" ; NetZero
+ "X-URI:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "X-URL:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
"X-USANET-" ; usa.net
+ "X-Unity"
"X-UserInfo1:"
"X-VSMLoop:" ; NTMail
"X-Virus-Scanned" ; amavisd-new
"X-Vms-To:"
"X-WebTV-Signature:"
"X-Wss-Id:" ; Worldtalk gateways
+ "X-X-Sender:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+ "X-YMail-"
"X-Yahoo"
"X-eGroups-" ; Egroups/yahoogroups mailing list manager
"X-pgp:"
"X-submission-address:"
"X400-" ; X400
- "Xref:")
+ ;;"X-Operator:" ; Similar to X-Mailer, so display it
+;; "Mail-System-Version:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+;; "Mailer:" ; http://people.dsv.su.se/~jpalme/ietf/mail-headers/
+;; "Reply-By:" ; RFC 2156
+;; "Reply-To:" ; RFC 2822
+;; "User-Agent:" ; Similar to X-Mailer, so display it.
+ "Xref:" ; RFC 1036
+ )
"List of default header fields that are not to be shown.
Do not alter this variable directly. Instead, add entries from