dovecot - Jul 2022 - Trouble configuring managesive plugin for roundcube

Hello all!

I?ve got a bit of a problem that I would like some help with. So, I have two
servers, one is my mail server running postfix, dovecot etc. I have a second
server setup as my roundcube server. Both servers are running on the same LAN
network.

I have sieve scripts setup in dovecot in my mail server and they are working
great! My trouble is that I can?t seem to make my roundcube talk correctly to
managesieve on my mail server.

Here is the mail.log file from the mail server when I try to create a
sievescript from roundcube webmail:

Jul 10 04:11:45 mail dovecot: managesieve-login: Disconnected: Too many invalid
commands. (no auth attempts in 0 secs): user=<>, rip=10.116.0.3,
lip=10.116.0.2, session=<cZMzomvjyNgKdAAD>

And here is my managesieve configuration from my roundcube server.
/var/www/roundcube/plugins/managesieve/config.inc.php

<?php

$config['managesieve_port'] = 4190;

$config['managesieve_host'] = 'ssl://10.116.0.2';

$config['managesieve_auth_type'] = null;

$config['managesieve_auth_cid'] = null;

$config['managesieve_auth_pw'] = null;

$config['managesieve_usetls'] = false;

$config['managesieve_conn_options'] = array(
        'ssl' => array(
            'verify_peer'       => false,
            'allow_self_signed' => true,
        ),
    );

$config['managesieve_default'] =
'var/lib/dovecot/sieve/default.sieve';

$config['managesieve_script_name'] = 'default.sieve';

$config['managesieve_mbox_encoding'] = 'UTF-8';

$config['managesieve_replace_delimiter'] = '';

$config['managesieve_disabled_extensions'] = [];

$config['managesieve_debug'] = true;

$config['managesieve_kolab_master'] = false;

$config['managesieve_filename_extension'] = '.sieve';

$config['managesieve_filename_exceptions'] = [];

$config['managesieve_domains'] = [];

$config['managesieve_default_headers'] = ['Subject',
'From', 'To'];

$config['managesieve_vacation'] = 0;

$config['managesieve_forward'] = 0;

$config['managesieve_vacation_interval'] = 0;

$config['managesieve_vacation_addresses_init'] = false;

$config['managesieve_vacation_from_init'] = false;

$config['managesieve_notify_methods'] = ['mailto'];

$config['managesieve_raw_editor'] = true;

$config['managesieve_disabled_actions'] = [];

$config['managesieve_allowed_hosts'] = null;


Does anybody have any clue why roundcube isn?t able to login in to managesieve
on my mail server?

Are there more logs/configs you would like to see?

Thanks in advance for your help and suggestions!

Austin Witmer
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>And here is my managesieve configuration from my roundcube server.
/var/www/roundcube/plugins/managesieve/config.inc.php
>
><?php
>
>$config['managesieve_port'] = 4190;
>
>$config['managesieve_host'] = 'ssl://10.116.0.2';
Did you enable ssl on the dovecot managesieve listener?

Also in roundcube configuration ssl:// is used for implicit ssl and tls:// is
used for starttls.
More help can be given when you provide information about your dovecot
configuration.
-- 
Christian Kivalo