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EFForg / starttls-everywhere

A system for ensuring & authenticating STARTTLS encryption between mail servers
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Outbound mail server used has weak TLS support #143

Open guillemj opened 5 years ago

guillemj commented 5 years ago

It looks like the outbound mail server being used from Amazon, has weak TLS support, which is interesting given the purpose of this effort. :)

This is the log I got when the SMTP servers tried to contact mine:

2019-09-02 01:07:17 TLS error on connection from a27-201.smtp-out.us-west-2.amazonses.com [54.240.27.201] (gnutls_handshake): No supported cipher suites have been found. 2019-09-02 01:07:17 TLS error on connection from a27-202.smtp-out.us-west-2.amazonses.com [54.240.27.202] (gnutls_handshake): No supported cipher suites have been found.

sydneyli commented 5 years ago

Thanks for the report! I’ve forwarded the note to our tech ops team and we’ll look into alternative sending services.