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Description of problem:

mailx secure send option does not support TLSv1.1 or TLSv1.2

Version-Release number of selected component (if applicable):

mailx-12.4-8.el6_6


mailx -t -S smtp=smtps://rhel7-64.example.com:465 -S nss-config-dir=/etc/pki/nssdb


SSL/TLS handshake failed: Peer reports incompatible or unsupported protocol version.


Server

openssl s_server -cert ./rhel7-64.example.com.pem -key ./rhel7-64.example.com.key.nopw -accept 465 -tls1_2

This appears to be resolved with the updated NSS packages from

   Enable TLS 1.2 as the default in nss
   https://bugzilla.redhat.com/show_bug.cgi?id=1272504

(In reply to Martin Poole from comment #2)
> This appears to be resolved with the updated NSS packages from
> 
>    Enable TLS 1.2 as the default in nss
>    https://bugzilla.redhat.com/show_bug.cgi?id=1272504
Yes, updating nss fixes this for me too. I'm closing this as NOTABUG.