meillo@150: %L RFC\|821 meillo@150: %A Jonathan B. Postel meillo@150: %T Simple Mail Transfer Protocol meillo@150: %S Request for Comments meillo@150: %V 821 meillo@150: %I IETF meillo@150: %D August 1982 meillo@150: %O \f(CW\s-1http://www.ietf.org/rfc/rfc821.txt\s0