Dovecot not offering TLSv1.2 after a few minutes

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  • testssl.sh

    Testing TLS/SSL encryption anywhere on any port

  • The current configuration allows for TLSv1 to TLSv1.3 connections. I can verify those using testssl.sh, the tests will succeed (although correctly mentioning, that TLSv1 and TLSv1.1 should be disabled). Running the tests again after about 5 minutes, the results are different. TLSv1.2 now shows "not offered and downgraded to a weaker protocol".

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