<s>
SNDMSG	B-Application
was	O
an	O
early	O
electronic	O
mail	O
program	O
,	O
chiefly	O
notable	O
because	O
it	O
was	O
used	O
to	O
send	O
what	O
is	O
considered	O
the	O
first	O
networked	O
email	O
.	O
</s>
<s>
SNDMSG	B-Application
was	O
originally	O
the	O
electronic	O
mail	O
program	O
for	O
a	O
single	O
multi-user	O
time-sharing	O
computer	O
running	O
the	O
TENEX	B-Operating_System
operating	O
system	O
.	O
</s>
<s>
SNDMSG	B-Application
along	O
with	O
READMAIL	O
were	O
the	O
key	O
components	O
of	O
networked	O
mail	O
on	O
TENEX	B-Operating_System
.	O
</s>
