Resolved webmail problem - roundcube Connection to storage server failed

[tasos]

Hello,

I am having a problem connecting to webmail. When I try to login to roundcube I get a message " Connection to storage server failed " and I found the following error from the logs:

IMAP Error: Login failed for info@ostriawinds.com from 62.169.195.32(X-Real-IP: 62.169.195.32). Could no t connect to localhost:143: Connection refused in /usr/share/psa-roundcube/program/lib/Roundcube/rcube_imap.php on line 197 (POST /roundcube/?_ta sk=login?_task=login&_action=login)

Also tried to login from horde but didn't have any luck either.
Its a new VPS server with CentOs 7.2 and Plesk 12.5.30 with postfix and dovecot. This was my first attempt to create an email in this server. If anyone could give me a hint on how to troubleshoot this it would be very helpful.

Thank you

 

[lgobs]

The possible issue is that Dovecot is not started on your server, try to create new config file in /etc/dovecot/conf.d (this path is on Debian system, i'm not sure about CentOS) name it for example: 5-ip4-listen.conf and add there:

# Listen on IPv4 only
listen = *

save it and Dovecot should start now.

 

[tasos]

Thank you for your reply,

I tried what you proposed but unfortunately it didn't work. Any other ideas? The error in the log file remains the same.

 

[IgorG]

Check this KB article - https://kb.plesk.com/en/123772

 

[tasos]

Hello,

this did't work either. could it be a database problem maybe?

 

[Thomas Mathew]

Can you show me the output of below commands.

# grep mydestination /etc/postfix/main.cf |grep -v "#"

# cat /etc/hosts

 

[tasos]

Yes, the first command output: mydestination = localhost.$mydomain, localhost, localhost.localdomain

And the second:

### Hetzner Online GmbH installimage
# nameserver config
# IPv4
127.0.0.1 ostriawinds.com ostriawinds localhost.localdomain localhost
172.31.1.100 ostriawinds.com.yourdomain.localdomain ostriawinds.com
#
# IPv6
::1 ostriawinds.com ostriawinds ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
2a01:4f8:c17:3f1d::2 ostriawinds.com.yourdomain.localdomain ostriawinds.com

 

[Thomas Mathew]

Try to disable ipv6 entries in /etc/hosts file and check the issue is solved or not.

If no, please provide the following commands output.

#netstat -tulpn | grep :143

# telnet localhost 143

 

[tasos]

Finally figured it out,

it was a dovecot problem after all. After executing the following command:

#dovecot -F

I got this error:

doveconf: Fatal: Error in configuration file /etc/dovecot/dovecot.conf line 50: ssl_cert: Can't open file /etc/dovecot/private/ssl-c ert-and-key.pem: No such file or directory

So this lead me to this page that gave me the solution:

https://kb.plesk.com/en/127412

So I reinstalled 'plesk-dovecot' using autoinstaller, switching to 'courier' and back to 'dovecot'. (Tools & Settings/Mail Server Settings)