opportunistic email encryption by the MTA (not MUA)
Randy Bush
randy at psg.com
Fri Jan 15 19:34:25 UTC 2021
fyi, i was contacted by a clue holder from protonmail. my guess was
correct. they pointed me to the wkd section of
https://protonmail.com/blog/security-updates-2019/
as i responded to them:
i am definitely wondering how well it scales. it adds query
burden, often toward a server different than the smtp target.
e.g. the wkd server could have sucky performance.
randy
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