spamassassin low score

[Motty Cruz]

Hello,
I get a spam with very low score. AWL=1.350 but that address in not in 
the whitelist.

local.cf
required_score 5.0

X-Virus-Scanned: amavisd-new at sscsinc.com
X-Spam-Flag: NO
X-Spam-Score: -0.559
X-Spam-Level:
X-Spam-Status: No, score=-0.559 tagged_above=-999 required=5.3
        tests=[AWL=1.350, BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1,
        HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001,
        T_RP_MATCHES_RCVD=-0.01] autolearn=ham autolearn_force=no

any suggestions?

Thanks,
Motty