Hi @IT_Nick, Here's a six-minute read that explains what MTA-STS
actually does: https://www.uriports.com/blog/mta-sts-explained/. TL;DR:
Implementing an MTA-STS policy informs senders that encryption is
available and should be used. If the sender encounters a claim that
encryption isn't supported, t...
Hi @IT_Nick , no worries on the age of the blog post - I am happy to
help! So, the blog post just contains example of the final state, you
can set the mode to testing to start things off and do some validations
before switching the mode to enforce - Some helpful resources -
https://learn.microsoft.c...
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