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Topic: Problem with the dovecot once the 2.3.4.1 was updated

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 0.9.9
- Deployed with iRedMail Easy or the downloadable installer?
- Linux/BSD distribution name and version: Centos 7.6
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx):nginx
- Manage mail accounts with iRedAdmin-Pro?
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Today I proceeded to updating my mail server in CENTOS 7, updating everything, and among themselves I update the dovecot to the version 2.3.4.1, but when I try to deposit the webclient you give me error of connection: You appear to me in the dovecot's log:

Feb  5 13:09:17 correo dovecot: master: Dovecot v2.3.4.1 (3c0b8769e) starting up for pop3, imap, sieve, lmtp (core dumps disabled)
Feb  5 13:09:17 correo dovecot: doveconf: Warning: NOTE: You can get a new clean config file with: doveconf -Pn > dovecot-new.conf
Feb  5 13:09:17 correo dovecot: doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:43: ssl_protocols has been replaced by ssl_min_protocol
Feb  5 13:09:17 correo dovecot: doveconf: Error: Could not find a minimum ssl_min_protocol setting from ssl_protocols = !SSLv2 !SSLv3: Unrecognized protocol 'SSLv2'
Feb  5 13:09:17 correo dovecot: config: Warning: NOTE: You can get a new clean config file with: doveconf -Pn > dovecot-new.conf
Feb  5 13:09:17 correo dovecot: config: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:43: ssl_protocols has been replaced by ssl_min_protocol
Feb  5 13:09:17 correo dovecot: config: Error: Could not find a minimum ssl_min_protocol setting from ssl_protocols = !SSLv2 !SSLv3: Unrecognized protocol 'SSLv2'
Feb  5 13:09:28 correo dovecot: stats: Error: (stats-reader): didn't reply with a valid VERSION line: EXPORT#011global
Feb  5 13:09:28 correo dovecot: stats: Error: (stats-reader): didn't reply with a valid VERSION line: EXPORT#011global
Feb  5 13:13:21 correo dovecot: master: Warning: Killed with signal 15 (by pid=1309 uid=0 code=kill)
Feb  5 13:14:29 correo dovecot: master: Dovecot v2.3.4.1 (3c0b8769e) starting up for pop3, imap, sieve, lmtp (core dumps disabled)
Feb  5 13:14:29 correo dovecot: doveconf: Warning: NOTE: You can get a new clean config file with: doveconf -Pn > dovecot-new.conf
Feb  5 13:14:29 correo dovecot: doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:43: ssl_protocols has been replaced by ssl_min_protocol
Feb  5 13:14:29 correo dovecot: doveconf: Error: Could not find a minimum ssl_min_protocol setting from ssl_protocols = !SSLv2 !SSLv3: Unrecognized protocol 'SSLv2'
Feb  5 13:14:29 correo dovecot: config: Warning: NOTE: You can get a new clean config file with: doveconf -Pn > dovecot-new.conf
Feb  5 13:14:29 correo dovecot: config: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:43: ssl_protocols has been replaced by ssl_min_protocol
Feb  5 13:14:29 correo dovecot: config: Error: Could not find a minimum ssl_min_protocol setting from ssl_protocols = !SSLv2 !SSLv3: Unrecognized protocol 'SSLv2'
Feb  5 13:14:41 correo dovecot: stats: Error: (stats-reader): didn't reply with a valid VERSION line: EXPORT#011global
Feb  5 13:14:41 correo dovecot: stats: Error: (stats-reader): didn't reply with a valid VERSION line: EXPORT#011global
Feb  5 13:16:42 correo dovecot: auth: Error: LDAP: Connection lost to LDAP server, reconnecting
Feb  5 13:16:42 correo dovecot: auth: Error: LDAP: Can't connect to server: 127.0.0.1:389
Feb  5 13:16:42 correo dovecot: master: Warning: Killed with signal 15 (by pid=1262 uid=0 code=kill)
Feb  5 13:29:29 correo dovecot: master: Dovecot v2.3.4.1 (3c0b8769e) starting up for pop3, imap, sieve, lmtp (core dumps disabled)
Feb  5 13:29:29 correo dovecot: doveconf: Warning: NOTE: You can get a new clean config file with: doveconf -Pn > dovecot-new.conf
Feb  5 13:29:29 correo dovecot: doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:43: ssl_protocols has been replaced by ssl_min_protocol
Feb  5 13:29:29 correo dovecot: doveconf: Error: Could not find a minimum ssl_min_protocol setting from ssl_protocols = !SSLv2 !SSLv3: Unrecognized protocol 'SSLv2'
Feb  5 13:29:29 correo dovecot: config: Warning: NOTE: You can get a new clean config file with: doveconf -Pn > dovecot-new.conf
Feb  5 13:29:29 correo dovecot: config: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:43: ssl_protocols has been replaced by ssl_min_protocol
Feb  5 13:29:29 correo dovecot: config: Error: Could not find a minimum ssl_min_protocol setting from ssl_protocols = !SSLv2 !SSLv3: Unrecognized protocol 'SSLv2'
Feb  5 13:29:41 correo dovecot: stats: Error: (stats-reader): didn't reply with a valid VERSION line: EXPORT#011global
Feb  5 13:29:41 correo dovecot: stats: Error: (stats-reader): didn't reply with a valid VERSION line: EXPORT#011global

in de loging whit rouncubemail:

tail -f /var/log/maillog
Feb  5 13:37:26 correo roundcube: <fq0pqecb> IMAP Error: Login failed for postmaster@rubia.alinet.cu from 192.168.0.1. LOGIN: Internal error occurred. Refer to server log for more information. in /opt/www/roundcubemail-1.3.8/program/lib/Roundcube/rcube_imap.php on line 196 (POST /mail/?_task=login&_action=login)

Apparently exists a change of protocol ssl of SSLv2 to ssl min protocol TLSv1 that is not contemplated in Iredmail's versions.

When the Iredmail's developer the fact that this bringing up to date modifies something of what installed for the Iredmail that now yields error with the servant IMAP, that is, to say it the connection SSl between the servant LDAP and the mail server.

Any help with regard to this matter.

2

Re: Problem with the dovecot once the 2.3.4.1 was updated

FYI: https://wiki.dovecot.org/Upgrading/2.3

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