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Re: [Asrg] On assertions
>>> I thought "MX 0 ." asserted not "we send no mail" but rather "we
>>> receive no mail".
>> That's what it means now. The various MX 0 . proposals overload it
>> to mean that you don't send any mail either.
> Is it fair to require all other protocols to publish a bogus MX
> record to Opt-out from SMTP?
...huh? I don't see that other protocols have anything to do with
this.
> If anything, Opt-Out and email does not have a good history. It
> would be much more fair to require that there be an MX record before
> accepting email that references the domain.
That is incompatabile with the existing spec, which means it's
incompatible with a substantial fraction of the (huge) installed base
of mailservers - ie, a great many of them depend on
fallback-to-address.
Still, if you think it's a good idea, give it a try. It might work for
some sites.
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