<?xml version='1.0'?>

<reference anchor='RFC0737'>

<front>
<title>FTP extension: XSEN</title>
<author initials='K.' surname='Harrenstien' fullname='K. Harrenstien'>
<organization>Stanford Research Institute (SRI) International, KL</organization></author>
<date month='October' day='31' year='1977' />
<abstract>
<t>This note describes an extension to the File Transfer Protocol which provides for "sending" a message to a logged-in user, as well as variants for mailing it normally whether the user is logged in or not.</t></abstract></front>

<seriesInfo name='RFC' value='737' />
</reference>
