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    Categories: Tutorials

Install and set-up Roundcube webmail interface

The following article is about how to install and set-up the Roundcube webmail interface on a CentOS VPS.

It is actually part 2 of our mailserver with virtual users and domains using Postfix and Dovecot on a CentOS 6 VPS series.

What is Roundcube?

Roundcube is a web-based IMAP email client written in PHP. Roundcube’s most prominent feature is the pervasive use of Ajax technology to present a more fluid and responsive user interface than the one of traditional webmail clients. It provides full functionality you expect from an email client, including MIME support, address book, folder manipulation, message searching, spell checking etc…

As usual, before proceeding any further, SSH to your CentOS 6 VPS, fire-up a screen session and make sure your system is fully up-to-date by running:

## screen -U -S roundcube-screen
## yum update

Roundcube requires PHP, a webserver and a database server. We are going to use the LAMP stack here, so, if LAMP is not already set-up on your system please check our fine tutorial on how to install LAMP (Linux Apache MySQL and PHP) on CentOS 6.

Ok, next step is to set-up a database for Roundcube using the following commands:

## mysql -u root -p
mysql> CREATE DATABASE IF NOT EXISTS `roundcube`;
mysql> GRANT ALL PRIVILEGES ON `roundcube` . * TO 'roundcube'@'localhost' IDENTIFIED BY 'mySecretPassword';
mysql> FLUSH PRIVILEGES;
mysql> quit

make sure you change ‘mySecretPassword‘ with your own one.

Before downloading and installing Roundcube, let’s first create Roundcube’s Apache configuration file in /etc/httpd/conf.d/90-roundcube.conf by using an editor:

## vim  /etc/httpd/conf.d/90-roundcube.conf

and paste the following:

Alias /webmail /var/www/html/roundcube

<Directory /var/www/html/roundcube>
    Options -Indexes
    AllowOverride All
</Directory>

<Directory /var/www/html/roundcube/config>
    Order Deny,Allow
    Deny from All
</Directory>

<Directory /var/www/html/roundcube/temp>
    Order Deny,Allow
    Deny from All
</Directory>

<Directory /var/www/html/roundcube/logs>
    Order Deny,Allow
    Deny from All
</Directory>

So far so good. Now, download and set-up the latest version of Roundcube to /var/www/html/roundcube using:

## curl -L "http://sourceforge.net/projects/roundcubemail/files/latest/download?source=files" > /tmp/roundcube-latest.tar.gz
## tar -zxf /tmp/roundcube-latest.tar.gz -C /var/www/html
## rm -f /tmp/roundcube-latest.tar.gz
## cd /var/www/html
## mv roundcubemail-* roundcube
## chown root: -R roundcube/
## chown apache: -R roundcube/temp/
## chown apache: -R roundcube/logs/

Next thing to do, is to set-up Roundcube’s main.inc.php configuration file. But, before setting it up, let’s first create all the necessary database tables for Roundcube using:

## mysql -u roundcube -p"mySecretPassword" roundcube < roundcube/SQL/mysql.initial.sql

again, make sure you use the correct MySQL user/password combination

with tables in place, proceed with copying the main.inc.php.dist sample configuration file and editing main.inc.php:

## cp roundcube/config/main.inc.php.dist roundcube/config/main.inc.php
## vim roundcube/config/main.inc.php
change:
  $rcmail_config['default_host'] = '';
to
  $rcmail_config['default_host'] = 'localhost';

change:
  $rcmail_config['smtp_server'] = '';
to
  $rcmail_config['smtp_server'] = 'localhost';

change:
  $rcmail_config['smtp_user'] = '';
to
  $rcmail_config['smtp_user'] = '%u';

change:
  $rcmail_config['smtp_pass'] = '';
to
  $rcmail_config['smtp_pass'] = '%p';

change:
  $rcmail_config['quota_zero_as_unlimited'] = false;
to
  $rcmail_config['quota_zero_as_unlimited'] = true;

change:
  $rcmail_config['preview_pane'] = false;
to
  $rcmail_config['preview_pane'] = true;

change:
  $rcmail_config['read_when_deleted'] = true;
to
  $rcmail_config['read_when_deleted'] = false;

change:
  $rcmail_config['check_all_folders'] = false;
to
  $rcmail_config['check_all_folders'] = true;

save and close the configuration file and proceed with setting up Roundcube’s database configuration file:

## cp roundcube/config/db.inc.php.dist roundcube/config/db.inc.php
## vim roundcube/config/db.inc.php
change:
  $rcmail_config['db_dsnw'] = 'mysql://roundcube:pass@localhost/roundcubemail';
to
  $rcmail_config['db_dsnw'] = 'mysqli://roundcube:mySecretPassword@localhost/roundcube';

save and close the configuration file and remove the installer directory using:

## rm -rf roundcube/installer/

finally, restart Apache using:

## service httpd restart

and login to your webmail at http://yourdomain.com/webmail


Adding Roundcube Webmail to the mailserver set-up with virtual users and domains using Postfix and Dovecot on a CentOS VPS provides you with a web-based email client solution for managing your user’s emails.

There are still other parts missing such as SSL encrypted connection, anti-spam service, digital signatures using opendkim, filter rules etc for a full-featured mail server. In the next few related articles, we will be adding additional features to the set-up so stay tuned.

Update: Part 3 – Set-up SSL encrypted connection in Postfix, Dovecot and Apache

Update: Part 4 – How to install and integrate SpamAssassin with Postfix on a CentOS 6 VPS

Update: Part 5 – How to install and integrate OpenDKIM with Postfix on a CentOS 6 VPS

Update: Part 6 – How to set-up server-side email filtering with Dovecot Sieve and Roundcube on a CentOS 6 VPS


Of course, if you are one of our Linux VPS Hosting customers, you don’t have to do any of this, simply ask our admins, sit back and relax. Our admins will set this up for you immediately.

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View Comments

  • I'm trying to use the "password" plugin. It do updates a password field in my mysql db but the Roundcube still log in at the remote webmail server. What I'm a doing wrong

  • I want to acces my mail server everywhere How do I access r roundcube with ex www.mail.com/webmail and not with my ip adrress ?

    • Create a new virtual host in Apache, for example: <VirtualHost *:80> ServerAdmin admin@mail.com ServerName mail.com ServerAlias www.mail.com DocumentRoot /var/www/html/roundcube <Directory /var/www/html/roundcube> Options -Indexes AllowOverride All </Directory> </VirtualHost> Do not forget to restart your Apache service for the changes to take effect.

      • Create a new virtual host in Apache, for example: <VirtualHost *:80> ServerAdmin admin@mail.com ServerName mail.com ServerAlias www.mail.com DocumentRoot /var/www/html/roundcube <Directory /var/www/html/roundcube> Options -Indexes AllowOverride All </Directory> </VirtualHost> Do not forget to restart your Apache service for the changes to take effect.

  • I am using roundcube 1.1.1. I want to activate password in roundcube. I have change in /var/www/html/roundcube/config/config.inc.php #$config['plugins'] = array (); $config['plugins'] = array (password); Then go to # cd /var/www/html/roundcube/plugins/password #rm config.inc.php.dist config.inc.php After that I have checked that password option is activated in roundcube webmail. But it is not working. I also configure SSL, it works fine. But in the plugging, there are several drivers for change password. In the part I, this website configure mail passwd /etc/dovecot/password file. And also use # doveadm pw -s sha1 | cut -d '}' -f2 for password creation form centos os. But which drive is best for change passwod In roundcube and how I can do it. I don't understand. Please help me,,, If anyone help me , I will grateful.

  • I want to change password of email id from roundcube plugins. I am using roundcube 1.1.1. To activate password plugins:- open /var/www/html/roundcube/config/config.inc.php and change $config['plugins'] =arrary() to $config['plugins'] =arrary(password); Then rename /var/www/html/roundcube/program/plugins/password/config.inc.php.dist. to config.inc.php. Then password option shown in the roundcube webmail. But it is not work. There are lots of driver available . But which driver is suitable for this kind mail configuration and configuration process. I want , mail user should able to change password himself. If it is not possible, then please suggest alternative good solution. Please help me to solve this problem.

  • Please help... I'm getting following output in roundcube change password plugin. DB Error in /var/www/html/roundcube/program/include/rcube_mdb2.php (727): MDB2 Error: not found Query: _doQuery: [Error message: Could not execute statement] [Last executed query: SELECT update_passwd('$1$uTS6.XKG$F0muyKExdd877wDgRSfMD1', 'roundtest')] [Native code: 1305] [Native message: FUNCTION roundcube.update_passwd does not exist] My MTA is exim....

    • Please sync plugin password config file. It's config file should be /var/www/html/roundcube/program/plugins/password/config.inc.php

      • Please sync plugin password config file. It's config file should be /var/www/html/roundcube/program/plugins/password/config.inc.php

  • Anyone..!!! Please help me in Roundcube Change Password plugin. I'm using exim MTA and SQL driver in password plugin. I'm stuck with the following error output: DB Error in /var/www/html/roundcube/program/include/rcube_mdb2.php (727): MDB2 Error: not found Query: _doQuery: [Error message: Could not execute statement] [Last executed query: SELECT update_passwd('$1$uTS6.XKG$F0muyKExdd877wDgRSfMD1', 'roundtest')] [Native code: 1305] [Native message: FUNCTION roundcube.update_passwd does not exist]

    • Please sync plugin password config file. It's config file should be /var/www/html/roundcube/program/plugins/password/config.inc.php

      • Please sync plugin password config file. It's config file should be /var/www/html/roundcube/program/plugins/password/config.inc.php

  • Hello! Your guide is awesome! But i cant find main.inc.php.dist file in /var/www/html/roundcube/config What i do wrong?

      • ok this is strange mr admin that you dont have answer for this problem where is this main.inc.php.dst file??? after following your all steps.

        • ok this is strange mr admin that you dont have answer for this problem where is this main.inc.php.dst file??? after following your all steps.

        • In the new version of Roundcube the configuration file named 'main.inc.php' is deprecated and it is replaced with 'config.inc.php'.

          • In the new version of Roundcube the configuration file named 'main.inc.php' is deprecated and it is replaced with 'config.inc.php'.

  • Hey Admin, I resolved it.... it was damn SElinux... :) Just made some rules over there, added IPtables rules and now it is working just fine...... But again stuck on secure pop3 and SMTP part :(