Hi @IT HELPDESK
Based on your error message, this appears to be an Amazon SES issue. Amazon SES will soon stop supporting TLS 1.0 and TLS 1.1 in its SMTP interface. I found this link for you: https://aws.amazon.com/blogs/security/tls-1-2-required-for-aws-endpoints/.
For more information, please seek help on the relevant platform.
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