Did you ENABLE GREYLISTING, according to the settings?
Did you DISABLE the ability for users and domains to override spam settings?
What do you have WHITELISTED - ideally, it should be NOTHING.
Phonr: (773) 491-9019
Phone: (224) 444-0169
E-Mail and DNS Security Specialist
Network Security Specialist
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Security Blog: http://networkbastion.blogspot.com/
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