On 21/04/2016 03:50, David Conrad wrote:
Of course, this won't work in practice because registries will rate limit queries and I imagine any SMTP server of any significant size will hit those limits quickly. Of course, if the behavior on a timeout was to reject, registries might be incentivized to modify the rate limiting logic... Regards, -drc (speaking only for myself)
It would be great if limited information was available without rate limiting - eg registration date and registrar ID and possibly a data-quality indicator. That would help a lot with spam reduction.
This could even be published by DNS with very long TTLs to allow caching and reduce server load.
I understand the reasons for the rate limiting, but apart from limiting server load the reasons are not relevant to the above subset of information.
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