NEW Mutualize mass action. So "Send by email" is also avavilable on

htdocs/commande/list.php

htdocs/compta/facture.php

htdocs/compta/facture/class/api_invoice.class.php

htdocs/compta/facture/class/facture.class.php

htdocs/compta/facture/fiche-rec.php

htdocs/compta/facture/list.php

htdocs/core/actions_massactions.inc.php

htdocs/core/lib/files.lib.php

htdocs/langs/en_US/mails.lang

htdocs/paypal/lib/paypal.lib.php