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North American Network Operators Group

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Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet)

  • From: Valdis.Kletnieks
  • Date: Wed Jan 12 17:41:21 2005

On Wed, 12 Jan 2005 10:59:43 EST, Steven Champeon said:

> 1) any legitimate mail source MUST have valid, functioning, non-generic
>    rDNS indicating that it is a mail server or source.

And how, exactly, does it indicate it's a mail server or source?

For that matter, how do you define 'non-generic'?

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