<s>
Usermin	B-Device
is	O
a	O
webmail	B-Protocol
interface	O
for	O
regular	O
non-root	O
users	O
to	O
access	O
their	O
email	B-Protocol
,	O
change	O
their	O
password	O
,	O
set	O
up	O
email	B-Protocol
filters	O
,	O
email	B-Protocol
forwarding	O
rules	O
,	O
autoresponders	O
,	O
and	O
much	O
more	O
.	O
</s>
<s>
With	O
it	O
designed	O
for	O
deployment	O
by	O
system	B-Application
administrators	I-Application
on	O
a	O
Unix-like	B-Application
system	B-General_Concept
the	O
sysadmin	B-Application
will	O
set	O
limits	O
for	O
their	O
customer	O
's	O
so	O
that	O
they	O
can	O
only	O
access	O
the	O
tasks	O
that	O
they	O
would	O
be	O
able	O
to	O
perform	O
if	O
they	O
were	O
logged	O
in	O
via	O
SSH	O
or	O
at	O
the	O
console	O
.	O
</s>
<s>
Usermin	B-Device
is	O
distributed	O
under	O
the	O
BSD	B-Operating_System
licence	I-Operating_System
and	O
can	O
be	O
deployed	O
for	O
use	O
using	O
the	O
Usermin	B-Device
Configuration	O
Module	O
within	O
Webmin	B-Application
by	O
the	O
administrator	O
.	O
</s>
<s>
Since	O
Usermin	B-Device
has	O
an	O
extensive	O
collection	O
of	O
modules	O
the	O
administrator	O
has	O
control	O
over	O
exactly	O
what	O
the	O
end	O
user	O
can	O
see	O
and	O
access	O
.	O
</s>
<s>
Usermin	B-Device
also	O
provides	O
web	O
interfaces	O
for	O
the	O
viewing	O
and	O
managing	O
of	O
the	O
data	O
in	O
MySQL	O
and	O
PostgreSQL	O
databases	O
,	O
plus	O
editing	O
of	O
the	O
Apache	B-Application
.htaccess	O
configuration	O
files	O
,	O
and	O
also	O
allows	O
for	O
the	O
running	O
of	O
commands	O
on	O
the	O
server	O
by	O
the	O
administrator	O
and	O
any	O
users	O
given	O
the	O
permissions	O
to	O
do	O
so	O
.	O
</s>
<s>
Usermin	B-Device
is	O
written	O
in	O
Perl	B-Language
5	I-Language
using	O
the	O
Authen::PAM	O
Perl	B-Language
module	O
and	O
deployed	O
on	O
port	O
20000	O
by	O
default	O
.	O
</s>
<s>
Any	O
changes	O
by	O
the	O
system	B-Application
administrator	I-Application
of	O
Usermin	B-Device
from	O
its	O
default	O
settings	O
will	O
result	O
in	O
the	O
changes	O
being	O
written	O
in	O
the	O
system	B-General_Concept
configuration	O
files	O
directly	O
.	O
</s>
<s>
Usermin	B-Device
is	O
designed	O
for	O
normal	O
users	O
for	O
such	O
simple	O
tasks	O
as	O
:	O
</s>
<s>
Ilia	O
Rostovtsev	O
:	O
Author	O
of	O
default	O
and	O
contributor	O
to	O
Usermin	B-Device
.	O
</s>
<s>
John	O
Smith	O
:	O
Idea	O
for	O
Usermin	B-Device
and	O
sponsorship	O
for	O
its	O
development	O
.	O
</s>
