I can recommend you to try migrate your config to the php-fpm. I should decrease both server load and page load time, and not hard to do too.
Have similar problem few months, the problem was with update scripts. In my case it was a dedicated server with KVM and I was able to login using...
Have you seen any related error in the logs, specifically Dovecot's? Unsuccessful login to the RoundCube should affects at least in the dovecot...
You need to have another IP so that can work as it is. So if you have IP 1.1.1.1 and domain 'domain1.com' linked to it, you need to forward all...
Looks like you're trying to redirect outgoing mail to the same server so you create a loop here. You need to check postfix forwarding options in...
You need to add them to the main configuration file or to the virtual host config file instead. Take a look here for few examples.
Take a look here: http://www.postfix.org/RESTRICTION_CLASS_README.html
You can try use fail2ban of course but I'm using it to protect my SSH access for the most of the time. I can suggest you to create a .htaccess and...
1. Yes, you can, but you probably need to change both network settings (including IP address and MAC address) and hostname. 2. Nope 3. Yep. 4....
Your DB server is not fail-safe and if your MySQL server fails you'll have a downtime. Take a look here for basic example of MySQL failover setup....
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