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

Dave Crocker dhc2 at
Thu Jan 13 03:19:24 UTC 2005

On Wed, 12 Jan 2005 17:40:10 -0500, Valdis.Kletnieks at 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.

Dave Crocker
Brandenburg InternetWorking
dcrocker  a t ...

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