UNKNOWN CLAMD RETURN

[UxBoD]

Has anybody seen this before ? :-

Jul 19 05:50:37 bianchi clamd[6704]: /var/spool/MailScanner/incoming/6884/7D1F27CF0A5.9D407.header: Email.Spam.Gen595.Sanesecurity.07052401 FOUND 
Jul 19 05:50:37 bianchi MailScanner[6884]: ERROR:: UNKNOWN CLAMD RETURN ./7D1F27CF0A5.9D407.header/Email.Spam.Gen595.Sanesecurity.07052401 FOUND :: /var/spool/MailScanner/incoming/6884 


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