Block Empty Subject & Unknown Sender

"Kenny Lee" <[email protected]>
Newsgroups gmane.mail.qmail.scanner
Message-ID <[email protected]>
Hi all,

i am using qmail-scanner 2.01

recently my users received alot of junk mail from unknown sender (which
the sender is blank), so what can i do to block all the mails which the
sender is unknown ? somemore i also received blank subject junk mail, i
wish to block them too ... i have tried to do some settings in
quarantine-events.txt, but it seem like not working. my settings as below
...

^$	Policy-Subject:	Blank Subject is not allowed
^$	Policy-From:	Blank Sender is not allowed
^$	Policy-Sender:	Blank Sender is not allowed
^$	Policy-MAILFROM:	Blank Sender is not allowed

Please help to advise ... Thank you

Regards,
Kenny


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