<s>
Foxmail	B-Application
is	O
a	O
freeware	B-License
e-mail	B-Protocol
client	I-Protocol
developed	O
by	O
Tencent	O
.	O
</s>
<s>
Foxmail	B-Application
was	O
originally	O
written	O
by	O
Allen	O
Zhang	O
( 张小龙	O
)	O
,	O
an	O
alumnus	O
of	O
Huazhong	O
University	O
of	O
Science	O
and	O
Technology	O
in	O
Wuhan	O
.	O
</s>
<s>
Foxmail	B-Application
was	O
acquired	O
in	O
2005	O
by	O
Tencent	O
Holdings	O
.	O
</s>
<s>
According	O
to	O
a	O
2001	O
Sina.com	O
survey	O
,	O
Foxmail	B-Application
had	O
a	O
32.92	O
%	O
market	O
share	O
in	O
China	O
.	O
</s>
<s>
In	O
2003	O
,	O
in	O
a	O
joint	O
press-release	O
with	O
Verisign	B-Application
promoting	O
Internationalized	B-Language
domain	I-Language
names	I-Language
,	O
the	O
authors	O
 '	O
reported	O
over	O
3	O
million	O
daily	O
Foxmail	B-Application
users	O
in	O
China	O
.	O
</s>
<s>
Foxmail	B-Application
tutorials	O
are	O
found	O
in	O
several	O
Internet	O
literacy	O
books	O
for	O
the	O
Chinese	O
market	O
.	O
</s>
<s>
The	O
Dutch	O
edition	O
of	O
PC	O
Magazine	O
reported	O
that	O
version	O
6.0	O
of	O
Foxmail	B-Application
occasionally	O
sends	O
email	O
usage	O
data	O
to	O
datacollect.foxmail.com.cn,	O
but	O
otherwise	O
generally	O
described	O
it	O
as	O
an	O
"	O
excellent	O
email	B-Protocol
client	I-Protocol
"	O
,	O
recommending	O
version	O
5.0.8	O
(	O
the	O
last	O
one	O
before	O
the	O
acquisition	O
)	O
,	O
which	O
is	O
not	O
affected	O
by	O
this	O
issue	O
.	O
</s>
<s>
Foxmail	B-Application
5	O
violates	O
RFC	O
822	O
(	O
and	O
2822	O
,	O
5322	O
)	O
by	O
putting	O
8-bit	O
characters	O
in	O
the	O
subject	O
and	O
address	O
header	O
fields	O
.	O
</s>
