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Topic: Dovecot: Couldn't load required plugin

==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.7
- Linux/BSD distribution name and version: Ubuntu 17.10
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MariaDB
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? nope
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Messages doesn't go to my mail accounts.
/var/log/mail.log:
(for every message sent to any of accounts) 899B39C30CF: to=<XXX@XYZ.pl>, relay=dovecot, delay=159870, delays=159870/0.2/0/0.16, dsn=4.3.0, status=deferred (temporary failure)
/var/log/dovecot/dovecot.log:
dovecot: lda: Fatal: Internal error occurred. Refer to server log for more information.
journalctl -fxe:
dovecot[14223]: lda: Fatal: Internal error occurred. Refer to server log for more information.
lda(XXX@XYZ.pl): Error: Couldn't load required plugin /usr/lib/dovecot/modules/lib95_imap_stats_plugin.so: dlopen() failed: /usr/lib/dovecot/modules/lib95_imap_stats_plugin.so: undefined symbol: imap_module_register

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Re: Dovecot: Couldn't load required plugin

1: Try to disable all settings related to "stats" plugin in /etc/dovecot/dovecot.conf.
2: Ubuntu will stop offer support of 17.10 since July 2018. You'd better upgrade to 18.04.

3

Re: Dovecot: Couldn't load required plugin

Thanks, that fixed it