This article describes how to install iRedMail (iRedMail-0.8.6 or later +releases) with a remote MySQL server, and you must choose MySQL backend in +iRedMail installation wizard.
+We use below server IP addresses in our example:
+192.168.1.100: Remote MySQL server.192.168.1.200: iRedMail server. We're going to install the latest iRedMail
+ on this server.iRedMail won't install MySQL server (RPM/DEB package) on localhost with remote +MySQL server, but MySQL client tools are still required for remote connection.
+In our case, remote MySQL server runs on server 192.168.1.100. It must accept
+remote connection from iRedMail server BEFORE installing iRedMail, and we
+must create a new SQL user with password and proper privileges for remote login
+from iRedMail server (192.168.1.200 in our case).
netstat:# netstat -ntlp | grep 3306
+tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 2479/mysqld
+If MySQL server is listening on only 127.0.0.1, you should comment out
+bind-address parameter in MySQL config file my.cnf to make it listen on all
+available network interfaces, and restart MySQL service.
/etc/my.cnf./etc/mysql/my.cnf./var/db/mysql/my.cnf.#bind-address = 127.0.0.1
+Make sure remote MySQL request will not be blocked by network firewall like + iptables (Linux), ipfw (FreeBSD) or PF (OpenBSD).
+Create a new SQL user (admin_iredmail) with new password (admin_password)
+ and all privileges on remote MySQL server (of course you must choose another
+ strong password):
mysql> GRANT ALL PRIVILEGES ON *.* TO 'admin_iredmail'@'192.168.1.200' IDENTIFIED BY 'admin_password' WITH GRANT OPTION;
+mysql> FLUSH PRIVILEGES;
+mysql> FLUSH HOSTS;
+With above commands, MySQL user admin_iredmail is allowed to connect from IP
+address 192.168.1.200 with password admin_password.
Notes:
+WITH GRANT OPTION in above SQL command is required.root or other MySQL user as remote MySQL user name
+ in above SQL command, but a custom user name should be better to help you
+ understand what it's used for, and less confuse with default root user.192.168.1.200 by the real IP address of your iRedMail
+ server in above command.If you tried to install iRedMail with this remote MySQL server before, please +drop existing databases and MySQL users which will be created by iRedMail on +remote MySQL server:
+mysql> DROP DATABASE amavisd;
+mysql> DROP DATABASE cluebringer;
+mysql> DROP DATABASE iredadmin;
+mysql> DROP DATABASE roundcubemail;
+mysql> DROP DATABASE vmail;
+
+mysql> DROP USER 'amavisd'@'192.168.1.200';
+mysql> DROP USER 'cluebringer'@'192.168.1.200';
+mysql> DROP USER 'iredadmin'@'192.168.1.200';
+mysql> DROP USER 'roundcube'@'192.168.1.200';
+mysql> DROP USER 'vmail'@'192.168.1.200';
+mysql> DROP USER 'vmailadmin'@'192.168.1.200';
+Please follow iRedMail installation guide strictly, but start iRedMail
+installer with below command instead of the original one (bash iRedMail.sh):
# MYSQL_SERVER='192.168.1.100' MYSQL_ROOT_USER='admin_iredmail' MYSQL_GRANT_HOST='192.168.1.200' bash iRedMail.sh
+It will launch iRedMail installation wizard as usual. When it asks MySQL root
+password, please input the password (admin_password in our case) we created
+on remote MySQL server.
Parameters we used in above command line:
+MYSQL_SERVER: Remote MySQL server address.MYSQL_ROOT_USER: MySQL user name we created on remote MySQL server before installing iRedMail.MYSQL_GRANT_HOST: Hostname or IP address of iRedMail server.iRedMail will create new SQL users for applications like Postfix, Amavisd, +Roundcube webmail, etc, and grant proper privileges to them which will connect +from iRedMail server.
+One more optional parameter is MYSQL_SERVER_PORT. it specifies listen port
+of remote MySQL server. Default one is 3306, you can change it if remote
+MySQL server is running on a different port.
As mentioned above, it's now ok to delete the new MySQL user admin_iredmail
+on remote MySQL server. It will not be used anymore.
mysql> DROP USER 'admin_iredmail'@'192.168.1.200';
+Document published under a CC BY-ND 3.0 license. If you found something wrong, please do contact us to fix it. + + +