Disable PHP mail function in CWP

This article is based on Sandeep’s article at AlphaGNU.
Disable PHP mail function in CWP – Control webpanel – CWP – Control WEB Panel – AlphaGNU

It is meant to be a backup, just in case the other site gives an error.

---

INTRODUCTION

In this tutorial we’ll learn how to disable php mail() function in CWP to block the users to be able to send spam emails or infected emails from php mail function. This will force users to use SMTP based email sending structure which is more secure and easily controllable upon the amount of mails they are sending i.e. you can add quota hourly basis in packages.

---

READ ME FIRST

This article is provided as a courtesy.
Installing, configuring, and troubleshooting third-party applications is outside the scope of basic support provided by Starburst Services.
We are not liable for any damages and/or data loss.

---

REQUIRMENTS

• SSH credentials or File Manager access Logged In as Root

---

Run this below commands to Disable PHP mail function completely :

If using PHP switcher:

echo "disable_functions = mail" > /usr/local/php/php.d/disabled_function.ini

---

If using PHP-CGI selector:

echo "disable_functions = mail" > /opt/alt/php53/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php54/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php55/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php56/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php70/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php71/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php72/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php73/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php74/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php80/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php81/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php82/usr/php/php.d/disabled_function.ini

echo "disable_functions = mail" > /opt/alt/php83/usr/php/php.d/disabled_function.ini

---

If using PHP_FPM Selector:

echo "disable_functions = mail" > /opt/alt/php-fpm53/usr/php/php.d/disabled_function.ini && service php-fpm53 restart

echo "disable_functions = mail" > /opt/alt/php-fpm54/usr/php/php.d/disabled_function.ini && service php-fpm54 restart

echo "disable_functions = mail" > /opt/alt/php-fpm55/usr/php/php.d/disabled_function.ini && service php-fpm55 restart

echo "disable_functions = mail" > /opt/alt/php-fpm56/usr/php/php.d/disabled_function.ini && service php-fpm56 restart

echo "disable_functions = mail" > /opt/alt/php-fpm70/usr/php/php.d/disabled_function.ini && service php-fpm70 restart

echo "disable_functions = mail" > /opt/alt/php-fpm71/usr/php/php.d/disabled_function.ini && service php-fpm71 restart

echo "disable_functions = mail" > /opt/alt/php-fpm72/usr/php/php.d/disabled_function.ini && service php-fpm72 restart

echo "disable_functions = mail" > /opt/alt/php-fpm73/usr/php/php.d/disabled_function.ini && service php-fpm73 restart

echo "disable_functions = mail" > /opt/alt/php-fpm74/usr/php/php.d/disabled_function.ini && service php-fpm74 restart

echo "disable_functions = mail" > /opt/alt/php-fpm80/usr/php/php.d/disabled_function.ini && service php-fpm80 restart

echo "disable_functions = mail" > /opt/alt/php-fpm81/usr/php/php.d/disabled_function.ini && service php-fpm81 restart

echo "disable_functions = mail" > /opt/alt/php-fpm82/usr/php/php.d/disabled_function.ini && service php-fpm82 restart

echo "disable_functions = mail" > /opt/alt/php-fpm83/usr/php/php.d/disabled_function.ini && service php-fpm83 restart

---

Thanks for learning with Starburst Services.

Make sure to visit AlphaGNU at: https://www.alphagnu.com/

Learn more about our services

---

KB Article Created: 2024-09-01