<s>
SilkyMail	B-Application
was	O
a	O
commercial	O
webmail	B-Protocol
client	O
marketed	O
by	O
Cyrusoft	O
from	O
approximately	O
1999	O
to	O
2005	O
.	O
</s>
<s>
SilkyMail	B-Application
was	O
a	O
browser-based	O
alternative	O
to	O
Cyrusoft	O
's	O
primary	O
e-mail	O
client	O
Mulberry	B-Application
.	O
</s>
<s>
It	O
was	O
based	O
on	O
the	O
popular	O
Horde	B-Application
IMP	I-Application
webmail	B-Protocol
package	O
,	O
but	O
it	O
added	O
unique	O
features	O
like	O
LDAP	B-Protocol
and	O
IMSP	B-Protocol
and	O
was	O
more	O
polished	O
and	O
easier	O
to	O
set	O
up	O
at	O
the	O
time	O
,	O
due	O
to	O
the	O
way	O
it	O
was	O
packaged	O
.	O
</s>
<s>
Its	O
source	O
code	O
was	O
available	O
for	O
free	O
under	O
GPL	B-License
,	O
however	O
the	O
package	O
was	O
sold	O
at	O
"	O
prices	O
as	O
low	O
as	O
pennies	O
per	O
user	O
"	O
,	O
and	O
site	O
support	O
packages	O
were	O
offered	O
starting	O
at	O
$500	O
per	O
site	O
.	O
</s>
