Change WordPress Email Address.php

/**
 * Snippet Name: Change default FROM email address
 * Snippet URL: http://www.wpcustoms.net/snippets/change-default-from-email-address/
 */
  
function new_mail_from($old) {
 return '[email protected]';
}
 
function new_mail_from_name($old) {
 return 'John Doe';
}
add_filter('wp_mail_from', 'new_mail_from');
add_filter('wp_mail_from_name', 'new_mail_from_name');