Not detecting this message

[Monis Monther]

Hi everyone

Today I started to get hundereds of messages in the following form

Hi.
My name is Nicole.
this is about you? http://ezonlinebible.com/kittens.html

Goodbye :-)


And it has the subject  Please

I also received similar messages with Subjects : Question, Answer me, Please
answer me


How can I stop such messages, all passed as clean except the ones that came
from Black Listed sites, which were tagged and stopped based, SPAM ASSASSIN
didnt catch any of them

Help Please

Thanks
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