How do I disable TLS v1.0 and v1.1 on Exim?

cn flag

When I ran this command in my terminal:

openssl s_client -connect -tls1

and it displayed this output:

Protocol : TLSv1
Session-ID: B4C5934D812CAE5460DF87317C1AD76EF0998DD7B228EB631477DCB831B8
Master-Key: F7D4F5FF850193E9C746AF3B59AE5B06892805AFC6528F82389684989441156D011FFB79D2D6E653C2ED4E568961
Start Time: 1654225000
Timeout : 7200 (sec)
Verify return code: 0 (ok)

Which I believe TLSv1.0 is enabled.

Currently the SSL protocols used by Exim are these:

+no_sslv2 +no_sslv3 +no_tlsv1 +no_tlsv1_1

Should I change it to:

+no_sslv2 +no_sslv3 +no_tlsv1_2 +no_tlsv1_3

Or to:

+no_sslv2 +no_sslv3

How do I know the possible values for these protocols on Exim? And is it safe to completely remove the TLS v1.0 and TLS v1.1?

Note that, I'm using WHM version 102.0.18.


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