Obvious Spam - not picked up.

[Mailscanner]

    [ The following text is in the "ISO-8859-1" character set. ]
    [ Your display is set for the "US-ASCII" character set.  ]
    [ Some characters may be displayed incorrectly. ]

I've searched the archives and couldnt find anything exactly like this, so here goes ....


This is a part of an email that I receive regularly;


Subject: {Spam?} The Investor Communiqué
Date: Wed, 06 Jul 2005 06:28:31 +0000
MIME-Version: 1.0
Content-Type: text/plain
Content-Transfer-Encoding: base64
X-yyyyy-MailScanner-Information: Please contact the ISP for more information
X-yyyyy-MailScanner: Found to be clean
X-yyyyy-MailScanner-SpamCheck: spam, SpamAssassin (score=2.298, required 2,
	BAYES_80 2.00, MIME_BASE64_TEXT 0.30)
X-yyyyy-MailScanner-SpamScore: ss
X-yyyyy-MailScanner-From: nickolasnobleku at midcoast.com

U2VudGljb3JlIEluYy4oT1RDLkJCOlNOSU8pDQpBdmVyYWdlIERhaWx5IFZv
bHVtZSAoOTAgRGF5KTogNTkzLDAwMCBzaGFyZXMgIChTb3VyY2U6IFlhaG9v
IEZpbmFuY2UpDQpIYXMgSW50cm9kdWNlZCBMb2JvUG9rZXIgVGhyb3VnaCBp
dHMgTmV3ZXN0IFN1YnNpZGlhcnkgTG9ib0dhbWluZywgYSBHYW1pbmcNClNv
ZnR3YXJlIERldmVsb3BtZW50IGFuZCBMaWNlbnNpbmcgQ29tcGFueS4gKFNv
dXJjZTogTmV3czogNi8xNy8wNSApDQoNCkN1cnJlbnQgUHJpY2U6IC4wMjQN


Is this not being picked up because its base64 encoded ? 

What is the best way to deal with this sort of spam ?

I'm running Mailscanner 4.42.9 on Centos 4.1 i386.

Thanks.

------------------------ MailScanner list ------------------------
To unsubscribe, email jiscmail at jiscmail.ac.uk with the words:
'leave mailscanner' in the body of the email.
Before posting, read the Wiki (http://wiki.mailscanner.info/) and
the archives (http://www.jiscmail.ac.uk/lists/mailscanner.html).

Support MailScanner development - buy the book off the website!