<s>
A	O
text-based	B-Protocol
email	I-Protocol
client	I-Protocol
is	O
an	O
email	B-Protocol
client	I-Protocol
with	O
its	O
user	B-Application
interface	I-Application
being	O
text-based	B-Application
,	O
occupying	O
a	O
whole	O
terminal	B-Application
screen	O
.	O
</s>
<s>
Other	O
kind	O
of	O
email	B-Protocol
clients	I-Protocol
are	O
GUI-based	O
(	O
cf	O
.	O
</s>
<s>
email	B-Protocol
client	I-Protocol
)	O
or	O
Web-based	O
,	O
see	O
Webmail	B-Protocol
.	O
</s>
<s>
Text-based	B-Protocol
email	I-Protocol
clients	I-Protocol
may	O
be	O
useful	O
for	O
users	O
with	O
visual	O
impairment	O
or	O
partial	O
blindness	O
allowing	O
speech	B-Application
synthesis	I-Application
or	O
text-to-speech	B-Application
software	I-Application
to	O
read	O
content	O
to	O
users	O
.	O
</s>
<s>
Text-based	B-Protocol
email	I-Protocol
clients	I-Protocol
also	O
allow	O
to	O
manage	O
communication	O
via	O
simple	O
remote	O
sessions	O
,	O
e	O
.	O
g	O
.	O
per	O
SSH	B-Protocol
,	O
for	O
instance	O
when	O
it	O
is	O
not	O
possible	O
to	O
install	O
a	O
local	O
GUI-client	O
and/or	O
access	O
mail	O
via	O
Web	O
interface	O
.	O
</s>
<s>
Also	O
users	O
may	O
prefer	O
text-based	B-Application
user	I-Application
interfaces	I-Application
in	O
general	O
.	O
</s>
<s>
Email	O
software	O
for	O
the	O
command	B-Application
line	I-Application
that	O
does	O
not	O
occupy	O
the	O
whole	O
screen	O
(	O
cf	O
.	O
</s>
<s>
TUI	B-Application
)	O
include	O
e	O
.	O
g	O
.	O
Cleancode	B-Protocol
eMail	I-Protocol
,	O
CURL	B-Language
,	O
himalaya	O
,	O
mail	O
(	O
Unix	O
)	O
,	O
mailx	B-Device
,	O
MH	B-Protocol
,	O
procmail	B-Protocol
,	O
sendmail	B-Application
,	O
and	O
many	O
others	O
.	O
</s>
