[Users] [Bug 4294] New: Claws Mail cannot connect to the Cyrus IMAP server via the DIGEST-MD5 authentication in Fedora

[noreply at thewildbeast.co.uk]

https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4294

            Bug ID: 4294
           Summary: Claws Mail cannot connect to the Cyrus IMAP server via
                    the DIGEST-MD5 authentication in Fedora
           Product: Claws Mail
           Version: 3.17.4
          Hardware: PC
               URL: https://bugzilla.redhat.com/show_bug.cgi?id=1789586
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Other
          Assignee: users at lists.claws-mail.org
          Reporter: sejd at lime2.cf

Description of problem:
Claws Mail cannot connect to the Cyrus IMAP server via the DIGEST-MD5
authentication mechanism in Fedora. Squirrelmail is connected normally via
DIGEST-MD5.

Version-Release number of selected component:
claws-mail-3.17.4-3.fc31.x86_64
cyrus-sasl-md5-2.1.27-2.fc31.x86_64
libetpan-1.9.3-2.fc31.x86_64

cyrus-imapd-3.0.13-1.fc31.armv7hl
cyrus-sasl-md5-2.1.27-2.fc31.armv7hl


Steps to Reproduce:

1. $ cat /etc.imapd.conf:
sasl_mech_list: SCRAM-SHA-256 SCRAM-SHA-1 DIGEST-MD5

2. Claws Mail:
«Settings» → «The parameters for the current account…» → «Receive»
Authentication method: DIGEST-MD5


Actual results:

Journal of network:
* User account 'sejd at lime2.cf': Connecting to an IMAP server:
mail.lime2.cf:993...
[2020-01-09 23:18:17] IMAP< * OK [CAPABILITY IMAP4rev1 LITERAL+ ID ENABLE
AUTH=SCRAM-SHA-256 AUTH=SCRAM-SHA-1 AUTH=DIGEST-MD5 SASL-IR] lime2.cf Cyrus
IMAP 3.0.13-1.fc31 Fedora server ready 
* IMAP connection is un-authenticated
[2020-01-09 23:18:17] IMAP> 1 CAPABILITY 
[2020-01-09 23:18:17] IMAP< * CAPABILITY IMAP4rev1 LITERAL+ ID ENABLE ACL
RIGHTS=kxten QUOTA MAILBOX-REFERRALS NAMESPACE UIDPLUS NO_ATOMIC_RENAME
UNSELECT CHILDREN MULTIAPPEND BINARY CATENATE CONDSTORE ESEARCH SEARCH=FUZZY
SORT SORT=MODSEQ SORT=DISPLAY SORT=UID THREAD=ORDEREDSUBJECT THREAD=REFERENCES
THREAD=REFS ANNOTATEMORE ANNOTATE-EXPERIMENT-1 METADATA LIST-EXTENDED
LIST-STATUS LIST-MYRIGHTS LIST-METADATA WITHIN QRESYNC SCAN XLIST XMOVE MOVE
SPECIAL-USE CREATE-SPECIAL-USE DIGEST=SHA1 X-REPLICATION URLAUTH URLAUTH=BINARY
AUTH=SCRAM-SHA-256 AUTH=SCRAM-SHA-1 AUTH=DIGEST-MD5 SASL-IR XCONVERSATIONS
COMPRESS=DEFLATE X-QUOTA=STORAGE X-QUOTA=MESSAGE X-QUOTA=X-ANNOTATION-STORAGE
X-QUOTA=X-NUM-FOLDERS IDLE 
[2020-01-09 23:18:17] IMAP< 1 OK Completed 
[2020-01-09 23:18:17] IMAP> Logging sejd to mail.lime2.cf using DIGEST-MD5
[2020-01-09 23:18:17] IMAP< Completed
** Mistake IMAP in mail.lime2.cf: Mistake LOGIN
[2020-01-09 23:18:17] IMAP< Error logging in to mail.lime2.cf
[2020-01-09 23:20:15] IMAP> 2 LOGOUT 
[2020-01-09 23:20:15] IMAP< * BYE LOGOUT received 
[2020-01-09 23:20:15] IMAP< 2 OK Completed 

Claws Mail pop-up window:
The connection with the mail.lime2.cf didn't work: the login is rejected. 
The DIGEST-MD5 login only works if libetpan is built with SASL support and the
DIGEST-MD5 SASL module is installed.

Expected results:
Connection via DIGEST-MD5 (or even better-via SCRAM-SHA-256-PLUS).

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