eScan - Antivirus & Content Security Forum

I just received a mail with spam score 100 which was not quarantined, next mail with same spam score was quarantined. How could this happen?
MailScan for Mailservers 5.30 espatch x.125

Report.log - Not quarantined mail:
[8] => Fri Mar 28 09:50:01 2008
[8] => Processing: C:\PROGRA~1\MailScan\In\POP47.msG (1328)
[8] => To: xxxxx
[8] => Originating IP: 88.227.103.64 (Foreign IP)
[8] => Originating IP: 149.181.180.115 (Foreign IP)
[8] => From: rteenage@snopes.com
[8] => Subject: Join the most refined and reliable casino online today and get free 999 USD bonus
[8] => No attachments in this EMail.
[8] => Doing Regular Expressions Content Check...
[8] => Doing BlackListed Domains Check...
[8] => Finished doing Regular Expressions Content Check...
[8] => Doing General Content Check...
[8] => Doing SURBL Check...
[8] => Marking Mail as possible SPAM as Spam Domain .cn found!
[8] => Doing XSpam Rules Check...
[8] => Doing NILP (Non Intrusive Learning Patterns) Check...
[8] => Finished Doing NILP Check...
[8] => Finished All Content Check...
[8] => MailScan Spam Score for this message = 100
[8] => It took 1 secs to scan this message.
[8] =>
[8] => -----------------------------------------------------------
Report.log - quarantined mail:
[8] => Fri Mar 28 09:50:02 2008
[8] => Processing: C:\PROGRA~1\MailScan\In\POP4A.msG (1025)
[8] => To: xxxxx
[8] => Originating IP: 195.178.56.105 (Foreign IP)
[8] => POP3-Recipient: xxxxx
[8] => From: nwaby@nucor.com
[8] => Subject: 81% pills discount. Coupon #fwHY
[8] => No attachments in this EMail.
[8] => Doing Regular Expressions Content Check...
[8] => Doing BlackListed Domains Check...
[8] => Finished doing Regular Expressions Content Check...
[8] => Doing General Content Check...
[8] => Doing SURBL Check...
[8] => Marking Mail as SPAM as timeminute.com site found in SURBL Server db.multi.surbl.org!
[8] => Finished All Content Check...
[8] => Reserved content <SURBL Listing: timeminute.com (db.multi.surbl.org)> present. Taking configured action on email [Quarantining Mail].
[8] => MailScan Spam Score for this message = 100
[8] => Saving Original message in Q-Dir as G:\mailscan\QUARANT\POP4A.EML.
[8] => It took 0 secs to scan this message.

Any help appreciated, thank you in advance.

Hi, Can you pls send me entire debug along with the email which have not been quarantine. Since the mail which has got quarantine with surbl should have scored more than 100

Not able to trace it if it happens again please let me know immediately. And if you receive any spam pls send me at spam@mwti.net

As soon as I get or find such an wrong classified email again, I will send it to you.