GNU bug report logs - #35443
27.0.50; Gnus (nnimap) shows "ghost" messages in summary buffer

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ulrich Mueller <ulm <at> gentoo.org>
Subject: bug#35443: closed (Re: bug#35443: 27.0.50; Gnus (nnimap) shows
 "ghost" messages in summary buffer)
Date: Mon, 15 Jul 2019 17:46:04 +0000

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Your bug report

#35443: 27.0.50; Gnus (nnimap) shows "ghost" messages in summary buffer

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 35443 <at> debbugs.gnu.org.

-- 
35443: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=35443
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Eric Abrahamsen <eric <at> ericabrahamsen.net>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 35443-done <at> debbugs.gnu.org, Ulrich Mueller <ulm <at> gentoo.org>
Subject: Re: bug#35443: 27.0.50; Gnus (nnimap) shows "ghost" messages in
 summary buffer
Date: Mon, 15 Jul 2019 10:45:38 -0700

There goes...

[Message part 3 (message/rfc822, inline)]

From: Ulrich Mueller <ulm <at> gentoo.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.50; Gnus (nnimap) shows "ghost" messages in summary buffer
Date: Sat, 27 Apr 2019 08:23:03 +0200

In GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit)
 of 2019-04-21 built on a1i15
Windowing system distributor 'The X.Org Foundation', version 11.0.11905000
System Description: Gentoo/Linux

When fetching e-mail from a dovecot-2.3.5.1 IMAP server, Gnus/nnimap
gets confused and displays ghost messages with address "nobody" and
subject "(none)" in the summary buffer, like in this example:

*Summary nnimap+dev.gentoo.org:INBOX*
----------------------------------------------------------------------
R. [   1: Ulrich Mueller         ] test 1
 . [   ?: nobody                 ] (none)
 . [   1: Ulrich Mueller         ] test 2
----------------------------------------------------------------------

My gnus-secondary-select-methods looks like this:

      '((nnimap "dev.gentoo.org"
		(nnimap-stream tls)
		(nnimap-user "ulm"))
	;; ... further methods omitted ...
	)

For debugging, I have enabled logging with nnimap-record-commands, and
set debug-on-entry for function nnimap-transform-headers.

I then get the following "*imap log*" buffer:
----------------------------------------------------------------------
07:41:57 [dev.gentoo.org] (inhibited)
07:41:59 [dev.gentoo.org] 10105 CAPABILITY
07:41:59 [dev.gentoo.org] 10106 ENABLE QRESYNC
07:41:59 [dev.gentoo.org] 10107 LIST "" "*"
[... other servers ...]
07:42:00 [dev.gentoo.org] 10147 EXAMINE "INBOX" (QRESYNC (1364468255 63360))
[... other servers ...]
07:42:08 [dev.gentoo.org] 10192 SELECT "INBOX"
07:42:08 [dev.gentoo.org] 10193 SELECT "INBOX"
07:42:08 [dev.gentoo.org] 10194 UID FETCH 32409:32410 (UID RFC822.SIZE BODYSTRUCTURE BODY.PEEK[HEADER.FIELDS (Subject From Date Message-Id References In-Reply-To Xref X-Diary-Time-Zone X-Diary-Dow X-Diary-Year X-Diary-Month X-Diary-Dom X-Diary-Hour X-Diary-Minute To Newsgroups Cc)])
----------------------------------------------------------------------

Buffer " *nnimap dev.gentoo.org nil  *nntpd**" looks like this, upon
entering nnimap-transform-headers:
----------------------------------------------------------------------
* 583 FETCH (UID 32409 RFC822.SIZE 698 BODYSTRUCTURE ("text" "plain" ("charset" "us-ascii") NIL NIL "7bit" 8 1 NIL NIL NIL NIL) BODY[HEADER.FIELDS (SUBJECT FROM DATE MESSAGE-ID REFERENCES IN-REPLY-TO XREF X-DIARY-TIME-ZONE X-DIARY-DOW X-DIARY-YEAR X-DIARY-MONTH X-DIARY-DOM X-DIARY-HOUR X-DIARY-MINUTE TO NEWSGROUPS CC)] {165}
From: Ulrich Mueller <ulm <at> gentoo.org>
To: ulm <at> gentoo.org
Subject: test 1
Date: Sat, 27 Apr 2019 07:39:56 +0200
Message-ID: <w6gd0l8vwer.fsf <at> kph.uni-mainz.de>

)
* 584 FETCH (UID 32410 RFC822.SIZE 698 BODYSTRUCTURE ("text" "plain" ("charset" "us-ascii") NIL NIL "7bit" 8 1 NIL NIL NIL NIL) BODY[HEADER.FIELDS (SUBJECT FROM DATE MESSAGE-ID REFERENCES IN-REPLY-TO XREF X-DIARY-TIME-ZONE X-DIARY-DOW X-DIARY-YEAR X-DIARY-MONTH X-DIARY-DOM X-DIARY-HOUR X-DIARY-MINUTE TO NEWSGROUPS CC)] {165}
From: Ulrich Mueller <ulm <at> gentoo.org>
To: ulm <at> gentoo.org
Subject: test 2
Date: Sat, 27 Apr 2019 07:40:15 +0200
Message-ID: <w6g8svwvwe8.fsf <at> kph.uni-mainz.de>

)
* 583 FETCH (UID 32409 MODSEQ (63364) FLAGS ($HasNoAttachment))
* 584 FETCH (UID 32410 MODSEQ (63364) FLAGS ($HasNoAttachment))
10194 OK Fetch completed (0.003 + 0.000 + 0.002 secs).
----------------------------------------------------------------------

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