<s>
Tor	B-Application
Mail	I-Application
was	O
a	O
Tor	B-Application
hidden	O
service	O
that	O
went	O
offline	O
in	O
August	O
2013	O
after	O
an	O
FBI	O
raid	O
on	O
Freedom	O
Hosting	O
.	O
</s>
<s>
The	O
service	O
allowed	O
users	O
to	O
send	O
and	O
receive	O
email	O
anonymously	O
to	O
email	O
addresses	O
inside	O
and	O
outside	O
the	O
Tor	B-Application
network	I-Application
.	O
</s>
<s>
Tor	B-Application
Mail	I-Application
provided	O
web	B-Protocol
mail	I-Protocol
access	O
with	O
two	O
webmail	B-Protocol
applications	O
to	O
choose	O
from	O
,	O
one	O
fully	O
functional	O
ajax-based	B-General_Concept
,	O
and	O
one	O
simple	O
client	O
which	O
required	O
no	O
JavaScript	B-Language
or	O
cookies	B-Application
.	O
</s>
<s>
The	O
user	O
could	O
also	O
access	O
mail	O
via	O
SMTP	B-Protocol
,	O
POP3	B-Protocol
or	O
IMAP	B-Protocol
with	O
an	O
email	B-Protocol
client	I-Protocol
.	O
</s>
<s>
The	O
user	O
signed	O
up	O
and	O
accessed	O
Tor	B-Application
Mail	I-Application
via	O
the	O
Tor	B-Application
hidden	O
service	O
and	O
needed	O
to	O
have	O
Tor	B-Application
software	O
installed	O
on	O
a	O
computer	O
to	O
access	O
Tor	B-Application
hidden	O
services	O
.	O
</s>
<s>
Tor	B-Application
Mail	I-Application
's	O
goal	O
was	O
to	O
provide	O
completely	O
anonymous	O
and	O
private	O
communications	O
to	O
anyone	O
who	O
needed	O
it	O
.	O
</s>
<s>
The	O
service	O
providers	O
said	O
that	O
they	O
were	O
anonymous	O
and	O
could	O
not	O
be	O
forced	O
to	O
reveal	O
anything	O
about	O
a	O
Tor	B-Application
Mail	I-Application
user	O
.	O
</s>
<s>
They	O
also	O
said	O
that	O
the	O
service	O
did	O
not	O
cooperate	O
with	O
anyone	O
attempting	O
to	O
identify	O
or	O
censor	O
a	O
Tor	B-Application
Mail	I-Application
user	O
.	O
</s>
<s>
Tor	B-Application
Mail	I-Application
's	O
service	O
consisted	O
of	O
several	O
servers	O
,	O
the	O
hidden	O
service	O
,	O
and	O
an	O
incoming	O
and	O
outgoing	O
internet	O
facing	O
mail	O
servers	O
.	O
</s>
<s>
The	O
site	O
's	O
operators	O
said	O
that	O
the	O
only	O
data	O
stored	O
on	O
the	O
hard	B-Device
drive	I-Device
of	O
those	O
servers	O
was	O
the	O
Exim	B-Protocol
mail	I-Protocol
server	I-Protocol
and	O
the	O
Tor	B-Application
software	O
.	O
</s>
<s>
The	O
service	O
and	O
SMTP/IMAP/POP3	O
were	O
on	O
a	O
hidden	O
server	O
completely	O
separate	O
from	O
the	O
relays	O
.	O
</s>
<s>
The	O
relays	O
did	O
not	O
know	O
the	O
IP	B-Protocol
address	I-Protocol
of	O
the	O
hidden	O
service	O
.	O
</s>
<s>
A	O
message	O
appeared	O
on	O
the	O
Tor	B-Application
Mail	I-Application
main	O
page	O
in	O
early	O
August	O
2013	O
,	O
saying	O
"	O
Down	O
for	O
Maintenance	O
Sorry	O
,	O
This	O
server	O
is	O
currently	O
offline	O
for	O
maintenance	O
.	O
</s>
<s>
The	O
disappearance	O
of	O
Tor	B-Application
Mail	I-Application
has	O
been	O
linked	O
to	O
the	O
arrest	O
on	O
child	O
pornography	O
charges	O
of	O
the	O
alleged	O
operator	O
of	O
Freedom	O
Hosting	O
,	O
which	O
hosted	O
a	O
large	O
number	O
of	O
.onion	O
sites	O
.	O
</s>
<s>
The	O
following	O
month	O
,	O
details	O
emerged	O
of	O
a	O
zero-day	O
JavaScript	B-Language
attack	O
,	O
which	O
was	O
injected	O
into	O
the	O
Tor	B-Application
Browser	O
Bundle	O
based	O
on	O
Firefox	O
17	O
if	O
JavaScript	B-Language
was	O
enabled	O
as	O
it	O
was	O
by	O
default	O
.	O
</s>
<s>
JavaScript	B-Language
was	O
turned	O
off	O
by	O
default	O
in	O
updated	O
versions	O
of	O
Tor	B-Application
Browser	O
Bundle	O
.	O
</s>
<s>
However	O
,	O
this	O
was	O
used	O
during	O
the	O
takedown	O
,	O
which	O
was	O
exploited	O
to	O
send	O
users	O
 '	O
IP	B-Protocol
addresses	I-Protocol
and	O
Windows	O
computer	O
names	O
to	O
a	O
server	O
in	O
Virginia	B-Application
.	O
</s>
<s>
In	O
January	O
2014	O
it	O
was	O
confirmed	O
that	O
FBI	O
has	O
access	O
to	O
Tor	B-Application
Mail	I-Application
servers	O
.	O
</s>
<s>
In	O
January	O
2016	O
,	O
it	O
was	O
stated	O
that	O
innocent	O
TorMail	B-Application
users	O
may	O
have	O
also	O
been	O
hacked	O
by	O
the	O
FBI	O
.	O
</s>
