Local Relay patch for MS

Julian Field mailscanner at ecs.soton.ac.uk
Wed Feb 11 18:38:26 GMT 2004

At 18:28 11/02/2004, you wrote:
> >-----Original Message-----
> >Eek! Bad guy forges 1 header and you don't scan it as you trust the
> >headers. Great idea, that one. Only a marketing guy could have
> >thought of that :-( Even Microsoft don't write code that is that broken...
>Augh.  I'm wounded to the quick. <g>
>It's really not all that bad because everybody's header line is different.
>The spammer isn't going to know 40,000 different headers and custom tailor
>his output to each.  A header that says "X-CBJ-MailScanner: Found to be
>clean" isn't going to get by a server that's looking for "X-ECS-MailScanner:
>Found to be clean" or vice versa.

Too right it will V. The spammers can easily discover your header setting.
Security by obscurity, never going to work.
Julian Field
Professional Support Services at www.MailScanner.biz
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