ietf-mxcomp
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Re: XML/SPF colaberation

2004-06-23 08:58:55

Hector Santos wrote:
Remember, the MAJORITY of the mail is spoofed, nearly 60-80% by most
industry standards which matches exactly what we see.   So for 60-80% of
your transactions, you will be exerting a high level of DNS activity
resulting in NXDOMAIN or No Records.

Or, if this effort is successful, you get cache hits...

... if it's still cached, that is. Bigger records will result in more
cache churn, if I understand DNS correctly.

-- 
Luis Bruno                                UTM: 29T 629481E 4511776N 576m


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