Bug#798630: sasl2-bin: saslauthd rimap error with dovecot-imapd

[Dan White]

On 09/11/15 11:06 +0200, David Cure wrote:
>Package: sasl2-bin
>Version: 2.1.26.dfsg1-13
>Severity: normal
>
>
>
>Dear Maintainer,
>
>
>I configure saslauthd (for use with sendmail) to use rimap to
>authenticate against dovecote-imapd.
>
>Every time, I get this error message :
>
>saslauthd[8707]: do_auth         : auth failure: [user=xxxx]
>[service=smtp] [realm=] [mech=rimap] [reason=[ALERT] Unexpected response
>from remote authentication server]
>
>and after several try (and error), the user succeed to authenticate
>
>I check in the dovecot-log and no error
>
>(I have the same configuration on wheezy and no problem)
>
>Any idea ?

This is an upstream bug:

https://bugzilla.cyrusimap.org/show_bug.cgi?id=3209

The imap backend needs work.

>-- System Information:
>Debian Release: 8.1
>  APT prefers stable-updates
>  APT policy: (500, 'stable-updates'), (500, 'stable')
>Architecture: amd64 (x86_64)
>
>Kernel: Linux 3.16.0-4-amd64 (SMP w/12 CPU cores)
>Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
>Shell: /bin/sh linked to /bin/dash
>Init: sysvinit (via /sbin/init)
>
>Versions of packages sasl2-bin depends on:
>ii  db-util                5.3.0
>ii  debconf [debconf-2.0]  1.5.56
>ii  libc6                  2.19-18
>ii  libcomerr2             1.42.12-1.1
>ii  libdb5.3               5.3.28-9
>ii  libgssapi-krb5-2       1.12.1+dfsg-19
>ii  libk5crypto3           1.12.1+dfsg-19
>ii  libkrb5-3              1.12.1+dfsg-19
>ii  libldap-2.4-2          2.4.40+dfsg-1
>ii  libpam0g               1.1.8-3.1
>ii  libsasl2-2             2.1.26.dfsg1-13
>ii  libssl1.0.0            1.0.1k-3+deb8u1
>
>sasl2-bin recommends no packages.
>
>sasl2-bin suggests no packages.
>
>-- Configuration Files:
>/etc/default/saslauthd changed:
>START=yes
>DESC="SASL Authentication Daemon"
>NAME="saslauthd"
>MECHANISMS="rimap"
>MECH_OPTIONS="localhost"
>THREADS=20
>OPTIONS="-c -m /var/run/saslauthd"
>
>
>-- debconf information:
>  cyrus-sasl2/upgrade-sasldb2-backup-failed:
>  cyrus-sasl2/purge-sasldb2: false
>  cyrus-sasl2/upgrade-sasldb2-failed:
>  cyrus-sasl2/backup-sasldb2: /var/backups/sasldb2.bak