On Mon, Mar 23, 2015 at 9:41 AM, Robin Alden <ro...@comodo.com> wrote:
>> I wonder if the current publicity will lead all webmail providers to do a
>> review, and then we won't see any further problems...
> That would be nice!
>
> Pertaining to Peter Bowen's suggestion that "some CAs who use email
> authentication could provide statistics on what percent of customers
> choose each option.", Comodo finds that those 5 options are very popular
> with applicants for SSL certificates.
> Of all email-based domain control validation we perform those email
> addresses (on the same domain being applied for) are used as follows:
>
> admin@          33.9%
> hostmaster@             7.8%
> webmaster@              7.6%
> administrator@  7.5%
> postmaster@             4.5%

Given that this total is only 61.3%, I assume the other 38.7% are
other mailboxes found in whois data?

Any idea how often admin@ is used without being in whois?

Thanks,
Peter
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