1. Go to this page and download the library: Download onlime/sendmail-wrapper library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
ini
sendmail_path = /usr/sbin/sendmail-wrapper -t -i
auto_prepend_file = /var/www/shared/prepend.php
sql
GRANT USAGE ON *.* TO sendmailwrapper@'localhost' IDENTIFIED BY '********';
GRANT SELECT, INSERT, UPDATE ON sendmailwrapper.throttle TO sendmailwrapper@'localhost';
GRANT INSERT ON sendmailwrapper.messages TO sendmailwrapper@'localhost';