On 06/12/2018 03:09 PM, René Pfeiffer wrote:
Has anyone seen a survey/scan/measurement of how many (publicly reachable)
SMTP servers support TLS? There are sources/scans for this with regards to
HTTPS, but I'd like to know if someone did the statistics for SMTP as well.
One of the Postfix developers has been keeping some statistics related
to SMTP servers implementing DANE - Viktor Dukhovni - I'm not sure where
he makes them available but I think he does.
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