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

[Dave Crocker <dhc2 () dcrocker net>]

On Wed, 12 Jan 2005 17:40:10 -0500, Valdis.Kletnieks () vt edu wrote:
>   > 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?

In general, that's what dkeys/iim and csv (and maybe spf) are attempting to provide.


d/
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Dave Crocker
Brandenburg InternetWorking
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