Change Email Sender of BuddyPress Notifications

Please go to folder "wp-content/plugins" and open file "bp-custom.php". If you don't have it please create a new one

And the put this snippet into the file

<?php 
// Function to change email address
add_filter( 'wp_mail_from', 'wpb_sender_email' );
function wpb_sender_email( $original_email_address ) {
    return '[email protected]';
}
 
// Function to change sender name
add_filter( 'wp_mail_from_name', 'wpb_sender_name' );
function wpb_sender_name( $original_email_from ) {
    return 'Mr Sultrio';
}

Change '[email protected]' with any email you want and change 'Mr Sultrio' with any name you want.