<s>
GNUMail	B-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
,	O
cross-platform	B-Operating_System
e-mail	B-Protocol
client	I-Protocol
based	O
on	O
GNUstep	B-Application
and	O
Cocoa	B-Operating_System
.	O
</s>
<s>
It	O
is	O
the	O
official	O
mail	B-Protocol
client	I-Protocol
of	O
GNUstep	B-Application
and	O
is	O
also	O
used	O
in	O
Étoilé	O
.	O
</s>
<s>
It	O
was	O
inspired	O
by	O
NeXTMail	O
(	O
NeXT	O
's	O
Mail.app	B-Operating_System
)	O
,	O
the	O
predecessor	O
of	O
Apple	B-Operating_System
Mail	I-Operating_System
.	O
</s>
<s>
GNUMail	B-Language
is	O
based	O
on	O
the	O
mail	O
handling	O
framework	O
Pantomime	O
.	O
</s>
<s>
GNUMail	B-Language
demonstrated	O
that	O
it	O
is	O
possible	O
to	O
develop	O
cross	B-Operating_System
platform	I-Operating_System
programs	O
for	O
GNUstep	B-Application
and	O
Cocoa	B-Operating_System
.	O
</s>
