En un mail malicioso de este tipo: MAIL MALICIOSO: _______________ Asunto: Corporate eFax message from “unknown” – 3 page(s) De: “eFax Corporate” <message@inbound.efax.com> Fecha: 21/10/2015 14:44 Para: <destinatario>, + otros destinatarios en lista abierta)   You have received a 3 page (s) fax at 21-10-2015 09:58:01. * The reference number for this fax is p2_did9-4194672581-1999902856-745. […]