[Ach] TLS survey for SMTP?

René Pfeiffer lynx at luchs.at
Wed Jun 13 00:09:30 CEST 2018

Hello, List!

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.


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