MailScanner defunct, attempted too many times

[GiNo PaoLo]

hi friends,
need your help, in mail.log is appear message below many times, and daemon
MailScanner is <defunct>, queue grow up till 320 message and follow grow up.
how can i do?,

 Warning: skipping message CA45D3C7637.AECCE as it has been attempted too
many times
Nov 19 17:53:36 server MailScanner[3753]: Quarantined message
CA45D3C7637.AECCE as it caused MailScanner to crash several times
Nov 19 17:53:36 server MailScanner[3753]: Saved entire message to
/var/spool/MailScanner/quarantine/20121119/CA45D3C7637.AECCE
Nov 19 17:53:36 server MailScanner[3753]: writing to
/var/spool/MailScanner/quarantine/20121119/CA45D3C7637.AECCE//var/spool/MailScanner/quarantine/20121119/CA45D3C7637

-- 
GiNo PaoLo
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