Encryption/Security concerns from clients
Question asked by Tim Walker - 9/22/2017 at 8:12 AM
We have had questions from clients that I cannot answer; is there a way of enforcing encryption for a domain so that only SSL/TLS connections are permitted, and that the emails from the domain to external users would only be delivered if an encrypted connection was available?    

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echoDreamz Replied
I do not believe you can tell SM to only deliver when a TLS connection can be made. Though this would also limit the mail servers you system can send to as not all support TLS.
Tim Walker Replied
yeah, I think with sensitive emails the client would prefer a bounce back to a plain text server 2 server connection

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