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TLS 1.2 support for SMTP mail filter

We have set up Sophos XG to route incoming emails to our Office 365 tenant (which is working perfectly) however we are failing our security audit as the protocols supported by the mail filter are TLSv1.1 and TLSv1.2 using weak ciphers (see below).

Is there a way (in the GUI or CLI) to disable TLSv1.1 and give TLSv1.2 stronger ciphers (along with perfect forward secrecy support)?



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