javax.mail.MessagingException: Could not convert socket to TLS

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Hi,

I am trying to configure email from a realm in keycloak .
Got following exception. when trying to send email.

Kindly help me to fix the below issue .

The server selected protocol version TLS11 is not accepted by client preferences [TLS12, SSL20Hello]
Caused by: javax.mail.MessagingException: Could not convert socket to TLS;
javax.net.ssl.SSLHandshakeException: The server selected protocol version TLS11 is not accepted by client preferences [TLS12, SSL20Hello]
com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:2140) com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:734)
at javax.mail.Service.connect(Service.java:342)
at javax.mail.Service.connect(Service.java:222)
at javax.mail.Service.connect(Service.java:243)
org.keycloak.email.DefaultEmailSenderProvider.send(DefaultEmailSenderProvider.java:145)

Caused by: javax.net.ssl.SSLHandshakeException: The server selected protocol version TLS11 is not accepted by client preferences [TLS12, SSL20Hello]

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