MT | ET | Prevent ticket moved emails from reaching the customer

tribe_hide_ticket_moved_emails.php

<?php

/**
 * Returns a black hole email address
 *
 * @see https://en.wikipedia.org/wiki/Black_hole_(networking)#Black_hole_e-mail_addresses
 *
 * @return string
 */
function tribe_return_blackhole_email() {
	// Preferably this will be changed to a black hole email on your own email server,
	// as this will save your email servers and the rest of the internets some
	// unnecessary work.
	return '[email protected]';
}
// These filters will prevent ticket moved emails from reaching the customer.
add_filter( 'tribe_tickets_ticket_type_moved_email_recipient', 'tribe_return_blackhole_email' );
add_filter( 'tribe_tickets_ticket_moved_email_recipient', 'tribe_return_blackhole_email' );