[SURBL-Discuss] html hex codes used in links

John Graham-Cumming jgc at jgc.org
Mon Apr 3 22:32:22 CEST 2006

Nathan Barham wrote:
> I received a phishing scam yesterday where the domain part of the evil
> link was in html hex code.  This seems to defeat any SURBL listing.  I'm
> using a postfix body check to handle it now, but does anyone have a
> better idea?

Convert the HTML/hex back to a dotted IP address and then do a standard 
SURBL lookup on the IP address as described in the SURBL docs.

John Graham-Cumming
jgc at jgc.org

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