Some emails not coming in ‚Your connection must be encrypted.’

Some emails not coming in ‚Your connection must be encrypted.’

I think I’ve got my secrity settings too high. An email from amazon to me bounced with this error

Quote:

Action: failed
Status: 5.0.0 (permanent failure)
Remote-MTA: dns; [199.116.112.6]
Diagnostic-Code: smtp; 5.1.0 – Unknown address error 550-‚Your connection must be encrypted.’ (delivery attempts: 0)


Possible culprits: require TLS; use self-authenticated server certificate

If the former, where do I disable require TLS?

Thanks!

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