[|'s added to quote From lines] If you forward a Rmail message containing a MIME message with "From " lines, the mbox escaping of From lines is not properly done. Start emacs -q then evaluate the 9521 patch: (require 'rmailmm) (defun rmail-insert-mime-forwarded-message (forward-buffer) "Insert the message in FORWARD-BUFFER as a forwarded message. This is the usual value of `rmail-insert-mime-forwarded-message-function'." (let ((message-buffer (with-current-buffer forward-buffer (if rmail-buffer-swapped rmail-view-buffer forward-buffer)))) (save-restriction (narrow-to-region (point) (point)) (message-forward-make-body-mime message-buffer)))) Then run Rmail on the following mbox file (remove |'s at line start first): |From mdl Wed Oct 26 10:18:58 2011 |X-RMAIL-ATTRIBUTES: --EF---- |X-RMAIL-KEYWORDS: * |X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, | RP_MATCHES_RCVD autolearn=unavailable version=3.3.1 |From: Mark Lillibridge hp.com> |To: gnu.org> |Subject: 23.3; rmail-edit-current-message adds extra '>'s to Froms... |Date: Sat, 22 Oct 2011 12:05:57 -0700 |Reply-To: hp.com> | | |Start with a Rmail message (this one will do) not containing MIME that |contains lines like the following: | |>From level 1 |>>From level 2 |>>>From level 3 | |From mdl Tue Jan 1 12:27:17 2013 |Delivered-To: lillibridge gmail.com |Received: from gmail-pop.l.google.com [74.125.25.108] | by foil.strangled.net with POP3 (fetchmail-6.3.18) | for localhost> (single-drop); Tue, 01 Jan 2013 12:27:17 -0800 (PST) |Received: by 10.49.49.9 with SMTP id q9csp680843qen; | Tue, 1 Jan 2013 12:27:08 -0800 (PST) |X-Received: by 10.52.69.201 with SMTP id g9mr59443696vdu.98.1357072028236; | Tue, 01 Jan 2013 12:27:08 -0800 (PST) |Return-Path: hp.com> |Received: from alum-mailsec-relay-12.mit.edu (ALUM-MAILSEC-RELAY-12.MIT.EDU. [18.7.68.32]) | by mx.google.com with ESMTPS id o8si46143160vdv.77.2013.01.01.12.27.08 | (version=TLSv1/SSLv3 cipher=OTHER); | Tue, 01 Jan 2013 12:27:08 -0800 (PST) |Received: from alum-mailsec-scanner-7.mit.edu (ALUM-MAILSEC-SCANNER-7.MIT.EDU [18.7.68.19]) | by alum-mailsec-relay-12.mit.edu (8.13.8/8.12.8) with ESMTP id r01KR7kv027035 | for alum.mit.edu>; Tue, 1 Jan 2013 15:27:07 -0500 |Received: from madara.hpl.hp.com (madara.hpl.hp.com [192.6.19.124]) | by alum-mailsec-scanner-7.mit.edu (Symantec Messaging Gateway) with SMTP id A5.53.02235.B9643E05; Tue, 1 Jan 2013 15:27:07 -0500 (EST) |Received: from postal.hpl.hp.com (postal.hpl.hp.com [15.25.115.25]) | by madara.hpl.hp.com (8.14.4/8.14.4/HPL-PA Relay) with ESMTP id r01KR5Ae021394 | (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) | for alum.mit.edu>; Tue, 1 Jan 2013 12:27:06 -0800 |Received: from build-debian-1.u.hpl.hp.com (build-debian-1.u.hpl.hp.com [15.8.240.3]) | by postal.hpl.hp.com (8.14.3/8.14.3/HPL-PA Hub) with ESMTP id r01KR4Df022085; | Tue, 1 Jan 2013 12:27:04 -0800 |From: Mark Lillibridge hp.com> |To: mdl alum.mit.edu |Subject: test message containing From's in an attachment |Reply-to: mark.lillibridge hp.com |Date: Tue, 01 Jan 2013 12:27:04 -0800 |Message-ID: build-debian-1.u.hpl.hp.com> |MIME-Version: 1.0 |Content-Type: text/plain |Content-Disposition: attachment; filename=froms.txt |X-RMAIL-ATTRIBUTES: ------U- | |>From level 1 |>>From level 2 |>>>From level 3 | |From mdl Tue Jan 1 13:04:30 2013 |Delivered-To: lillibridge gmail.com |Received: from gmail-pop.l.google.com [74.125.25.108] | by foil.strangled.net with POP3 (fetchmail-6.3.18) | for localhost> (single-drop); Tue, 01 Jan 2013 13:04:30 -0800 (PST) |Received: by 10.49.49.9 with SMTP id q9csp681694qen; | Tue, 1 Jan 2013 13:04:13 -0800 (PST) |X-Received: by 10.52.75.100 with SMTP id b4mr59369212vdw.52.1357074253041; | Tue, 01 Jan 2013 13:04:13 -0800 (PST) |Return-Path: hp.com> |Received: from alum-mailsec-relay-12.mit.edu (ALUM-MAILSEC-RELAY-12.MIT.EDU. [18.7.68.32]) | by mx.google.com with ESMTPS id u1si24918746vdh.137.2013.01.01.13.04.12 | (version=TLSv1/SSLv3 cipher=OTHER); | Tue, 01 Jan 2013 13:04:13 -0800 (PST) |Received: from alum-mailsec-scanner-3.mit.edu (ALUM-MAILSEC-SCANNER-3.MIT.EDU [18.7.68.14]) | by alum-mailsec-relay-12.mit.edu (8.13.8/8.12.8) with ESMTP id r01L47Pu030367 | for alum.mit.edu>; Tue, 1 Jan 2013 16:04:12 -0500 |Authentication-Results: symauth.service.identifier |Received: from madara.hpl.hp.com (madara.hpl.hp.com [192.6.19.124]) | by alum-mailsec-scanner-3.mit.edu (Symantec Messaging Gateway) with SMTP id E2.ED.02222.B4F43E05; Tue, 1 Jan 2013 16:04:12 -0500 (EST) |Received: from masterns.hpl.hp.com (masterns.hpl.hp.com [15.0.48.4]) | by madara.hpl.hp.com (8.14.4/8.14.4/HPL-PA Relay) with ESMTP id r01L4Auq022776 | (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) | for alum.mit.edu>; Tue, 1 Jan 2013 13:04:10 -0800 |Received: from build-debian-1.u.hpl.hp.com (build-debian-1.u.hpl.hp.com [15.8.240.3]) | by masterns.hpl.hp.com (8.14.3/8.14.3/HPL-PA Hub) with ESMTP id r01L47j3018514; | Tue, 1 Jan 2013 13:04:08 -0800 |From: Mark Lillibridge hp.com> |To: mdl alum.mit.edu |Subject: test message containing From's in an attachment |Reply-to: mark.lillibridge hp.com |Date: Tue, 01 Jan 2013 13:04:07 -0800 |Message-ID: build-debian-1.u.hpl.hp.com> |MIME-Version: 1.0 |Content-Type: multipart/mixed; boundary="=-=-=" |X-RMAIL-ATTRIBUTES: -------- | |--=-=-= |Content-Type: text/plain | | |body part | | |--=-=-= |Content-Type: text/plain |Content-Disposition: attachment; filename=froms.txt | |>From level 1 |>>From level 2 |>>>From level 3 | |--=-=-=-- | The result should be 3 messages. If you forward any of the messages, you'll see that the resulting message has the form: |To: |... | |