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[liberationtech] Email provider enabling enforced SMTP/TLS for inbound MX-received emails

Joseph Lorenzo Hall joe at
Mon Apr 4 05:14:00 PDT 2016

Not that this will satisfy your immediate needs but there are a
variety of nascent efforts to standardize mandatory encryption for
email transport at the IETF:

On Sun, Apr 3, 2016 at 5:02 PM, Moritz Bartl <moritz at> wrote:
> On 01/03/2016 02:57 PM, Fabio Pietrosanti (naif) - lists wrote:
>> Ideally, i would like an automatic email to be sent back to the sender
>> of that email, informing his that his email provider/email server is
>> not secure and must be updated to enable sending email securely.
> Yes, I would like to see that, but not only as a hosted mail provider
> option, but maybe first as a set of scripts for OpenSMTPd and Postfix.
> The most promising project is
> , but definitely more
> could be done (and this project needs help).
> --
> Moritz Bartl
> Renewable Freedom Foundation
> --
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Joseph Lorenzo Hall
Chief Technologist, Center for Democracy & Technology []
e: joe at, p: 202.407.8825, pgp:
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