To fine tune your Spam filtering you can set
parameters per POP user,
go to: http://[put your domain name
here]/webmail
login as the POP user and click on
"Options" on top Menu,
Then click on "Spam Filter Configuration" at bottom right
You can see a sample screen below
Options - Spam Filter
Configuration
Global Allow / Deny
Addresses List
Address
Type
Personal Allow / Deny
Addresses List
Address
Type
Action
Description
Whitelist From
E-mail from these addresses will not
be marked as spam. You may use '*' as a wildcard to
allow a large number of addresses at one time. E.g.
Whitelist From '*@aol.com' will not mark any message
that claims to be from aol.com as spam.
Don't Whitelist From
This address will be excluded from a
previous whitelist and will be treated as a normal
address, i.e. it will not be automatically allowed.
Blacklist From
E-mail from these addresses will
always be marked as spam. You may use '*' as a wildcard
to block a large number of addresses at one time. E.g.
Blacklist From '*@aol.com' will mark all messages that
claims to be from aol.com as spam.
Don't Blacklist From
This address will be excluded from a
previous blacklist and will be treated as a normal
address, i.e. it will not be automatically denied.
Whitelist To
E-mail to these addresses will not
be marked as spam. This is useful for allowing e-mail
lists. You may use '*' as a wildcard to allow a large
number of addresses at one time. E.g. Whitelist To '*@aol.com'
will not mark any message that claims to be to aol.com
as spam.