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Re: Fixing graylisting [was TBR]

2007-11-15 14:40:03

Douglas Otis wrote:

It may eliminate backscatter but it introduces a new problem, i.e. it
can be used to stage  attacks using HTTP.

Only to HTTP servers located within the "_tbr." subdomain.  This will
not impact other websites.

Oh yes?

Then are you OK with my publishing the following DNS record?

     _tbr.roaringpenguin.com 86400 IN A 168.61.5.26

Regards,

David.