Getting rejection message "TLS handshake failed" after sending e-mails.

Solution Unverified - Updated -

Issue

  • Mail is getting rejected to a specific domain.

    Sep 18 17:47:45 XX sendmail[4025]: ruleset=tls_server, arg1=SOFTWARE, relay=mail.example.com, reject=403 4.7.0 TLS handshake failed.  
Sep 18 17:47:45 XX sendmail[4025]: p8F8QUlr004450: to=<test@mail.example.com>, delay=3+00:21:15, xdelay=00:29:09, mailer=esmtp, pri=10833627, relay=mail.example.com. [xx.xx.xx.xx], dsn=4.0.0,  stat=Deferred: 403 4.7.0 TLS handshake failed.

Environment

  • Red Hat Enterprise Linux 3
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Sendmail

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