&Ferdinand.Gassauer; &tde-authors; &tde-release-version; Reviewed: &tde-release-date; 2010 &Ferdinand.Gassauer; &tde-copyright-date; &tde-team; This handbook describes the smtp protocol. TDE smtp protocol A protocol to send mail from a client workstation to a mail server. SMTPS is the SMTP protocol encrypted via SSL. Refer to: Simple Mail Transfer Protocol .