Example of how to change the 'having problems receiving emails form' to use the co organisation email field.

example.php

<?php //Please do now include the opening PHP tag if you already have one

//Changes the 'To' field of the 'having problems recieveing emails' form.
function tw_ee_send_notification_to_admin__to_organization_email( $event_author_email, $registration ) {
  return EE_Registry::instance()->CFG->organization->get_pretty( 'email' );
}
add_filter( 'FHEE__EED_WP_Users_SPCO__send_notification_to_admin__to', 'tw_ee_send_notification_to_admin__to_organization_email', 10, 2 );

See: https://eventespresso.com/topic/plain-text-emails/