Spamming is a known problem for every host, and adding information in header for the emails sent by php is a great way to track down spamming script.
Cpanel has this option to select in easyapache.
You can go to WHM>>Easy apache,
Exhaustive Options list >>...
There are 2 important scripts to optimize apache,php and mysql very easily. They are
MySQLTuner (Perl) and MySQL Performance Tuning Primer (shell)
They can help diagnose MySQL database performance issues, and provide recommendations on how to solve them.
# Download MySQLTuner and MySQL...
Here is php script to test database Connection, it will need little edition as per your database name and password
Here you go
Just copy and paste below code :-
< ?php
###################################### C O P Y R I G H T S ############################################
# THIS SIMPLE...