<s>
GroupServer	B-Protocol
is	O
a	O
computer	O
software	B-Application
application	I-Application
from	O
OnlineGroups.net	O
for	O
managing	O
electronic	O
mailing	O
lists	O
.	O
</s>
<s>
GroupServer	B-Protocol
is	O
a	O
Web-based	O
mailing	O
list	O
manager	O
designed	O
for	O
large	O
sites	O
.	O
</s>
<s>
GroupServer	B-Protocol
is	O
coded	O
primarily	O
in	O
Zope	O
and	O
Python	B-Language
and	O
currently	O
maintained	O
by	O
OnlineGroups.net	O
.	O
</s>
<s>
GroupServer	B-Protocol
is	O
free	B-Application
software	I-Application
,	O
distributed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
GroupServer	B-Protocol
was	O
first	O
released	O
in	O
2005	O
.	O
</s>
<s>
GroupServer	B-Protocol
is	O
free	B-Application
software	I-Application
for	O
managing	O
electronic	O
mail	O
discussion	O
lists	O
with	O
an	O
optimized	O
web	O
interface	O
.	O
</s>
<s>
It	O
runs	O
on	O
Linux	B-Application
and	O
most	O
Unix-like	B-Operating_System
systems	I-Operating_System
,	O
and	O
requires	O
Python	B-Language
2.1.3	O
or	O
newer	O
.	O
</s>
<s>
GroupServer	B-Protocol
works	O
with	O
Unix	B-Application
style	O
mail	B-Protocol
servers	I-Protocol
such	O
as	O
Postfix	B-Application
.	O
</s>
