VestaCP IMAP PHP Error: Login failed. Failed to load config

Witam,

od dłuższego czasu próbuje uporać się z problemem skrzynki e-mail na VestaCP. Nie mogę się połączyć.

[03-Dec-2018 13:09:52 -1000]: <lto2cs97> IMAP Error: Login failed for gowno from xxx(X-Forwarded-For: xxx). AUTHENTICATE PLAIN: Authentication failed. in /usr$
[03-Dec-2018 13:29:16 -1000]: <lto2cs97> PHP Error: Failed to load config from /var/lib/roundcube/plugins/jqueryui/config.inc.php in /usr/share/roundcube/program/lib/Roundcube/$
[03-Dec-2018 13:29:18 -1000]: <lto2cs97> IMAP Error: Login failed for @xxx.pl from xxx(X-Forwarded-For: xxx). AUTHENTICATE PLAIN: Authentication fai$
[03-Dec-2018 13:29:32 -1000]: <lto2cs97> PHP Error: Failed to load config from /var/lib/roundcube/plugins/jqueryui/config.inc.php in /usr/share/roundcube/program/lib/Roundcube/$
[03-Dec-2018 13:29:34 -1000]: <lto2cs97> IMAP Error: Login failed for @xxx.pl from xxx(X-Forwarded-For: xxx). AUTHENTICATE PLAIN: Authentication f$

No i nginx padł... Jezu za jakie grzechy...

● nginx.service - nginx - high performance web server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled)
   Active: failed (Result: exit-code) since Thu 2019-01-03 04:15:46 HST; 2min 37s ago
     Docs: http://nginx.org/en/docs/
  Process: 17506 ExecStart=/usr/sbin/nginx -c /etc/nginx/nginx.conf (code=exited, status=1/FAILURE)

Jan 03 04:15:46 xxx nginx[17506]: nginx: [emerg] "server" directive is not allowed here in /etc/nginx/conf.d/webmail.inc:1
Jan 03 04:15:46 xxx systemd[1]: nginx.service: control process exited, code=exited status=1
Jan 03 04:15:46 xxx systemd[1]: Failed to start nginx - high performance web server.
Jan 03 04:15:46 xxx systemd[1]: Unit nginx.service entered failed state.