<?php

// Add the snippet bollow in the functions.php file of the active theme on your dashboard site.

// Disable email notifications when Auto Updates are running
add_filter( 'mainwp_updatescheck_disable_sendmail', 'mycustom_mainwp_updatescheck_disable_sendmail', 10, 1 );
function mycustom_mainwp_updatescheck_disable_sendmail( $input ) {
  return true;
}

?>