from field with double @'s

Tue, 18 Mar 2008 01:44:05 -0700 

Hello,

 

Dunno if this topic has bin talked about before but we keep getting spam
through with double @'s  in the From: field.

 

Example: 

Header src:

 

X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08) on SERVERNAME

X-Spam-Status: No, score=-81.7 required=5.0 tests=MISSING_DATE,

 
RAZOR2_CF_RANGE_51_100,RAZOR2_CF_RANGE_E8_51_100,RAZOR2_CHECK,RDNS_NONE,

 
URIBL_AB_SURBL,URIBL_BLACK,URIBL_JP_SURBL,URIBL_OB_SURBL,URIBL_SBL,

        URIBL_SC_SURBL,URIBL_WS_SURBL,USER_IN_WHITELIST autolearn=no
version=3.2.3

To: [EMAIL PROTECTED]

From: [EMAIL PROTECTED] <[EMAIL PROTECTED]>

 

Problem is that [EMAIL PROTECTED] is in a whitelist so the spam gets
through.

 

Can anyone hint me a way to create a rule that catch these mails ?

Thanks

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