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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet)
On Wed, 12 Jan 2005 19:19:24 PST, Dave Crocker said: > On Wed, 12 Jan 2005 17:40:10 -0500, [email protected] 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. Yes, but he asked for a rDNS solution specifically... Attachment:
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