upas.ref:0,171 sendma intern mail router allman eric unix progra manual bsd volume sendma july 1983 univer califo berkel upas.ref:171,102 unix progra manual tenth editio bell labora februa 1985 murray hill upas.ref:273,178 standa for the format arpa intern text messag crocke rfc august 1982 networ inform center sri intern menlo park califo upas.ref:451,145 uucp implem descri nowitz bell labora unix progra manual sevent editio volume octobe 1978 upas.ref:596,107 pike weinbe the hideou name usenix summer confer procee june 1985 upas.ref:703,118 presot upas simple approa networ mail usenix summer confer procee june 1985 upas.ref:821,89 chambe twenti centur dictio 1976 chambe ltd edinbu