* Convert organizer emails into live "mailto:" links that users can click on.

email_to_for_organizer_email.php

<?php 
/**
 * Convert organizer emails into live "mailto:" links that users can click on.
 *
 * @param  $email
 * @return string
 */
function organizer_live_email_link( $email ) {
	if ( ! is_email( $email ) || ! is_singular( Tribe__Events__Main::POSTTYPE ) ) return $email;
	return '<a href="mailto:' . esc_attr( $email ) . '">' . esc_html( $email ) . '</a>';
}

add_filter( 'tribe_get_organizer_email', 'organizer_live_email_link' );