When you understood that many email are not delivered in your inbox which are sent from (Hotmail,Google or custom server) first of all you must check logs whats happening, if dns is configured properly and you see “Could not complete sender verify callout” in your logs which you can check in whm “Email”->” Mail Delivery Reports ” then this is because of Sender Verification Callouts
It’s very easy to send email using PHP via SMTP, first of all you must downloads PHP Mailer (https://github.com/PHPMailer/PHPMailer), after we will use small script as an example which will connect to smtp and send email. Read more
This is tutorial how to enable NFS backup for WHM running on CENTOS 6 Read more
This is instruction how to configure Exim on WHM server to send mails using Mandrill, first of all create account with Mandrill if you already don’t have one, after get API key from there website.
Now go on your whm and open “Service Configuration > Exim Configuration Manager > Basic Editor” Click on Mail and edit “Smarthost support” value add there “*: smtp.mandrillapp.com”
For example I will use Positive SSL but you can install any of them, using whm menu just go to Install and SSL Certificate And Setup the Domain, Read more
Unity 3D working normally with linux but there is no any browser plugin for it, this is small instruction how we can use it in browser using different tools.