Report and fix from Heiko Schlichting.
Bugzilla 1363.
+PP/22 Guard LDAP TLS usage against Solaris LDAP variant.
+ Report from Prashanth Katuri.
+
+PP/23 Support safari_ecdhe_ecdsa_bug for openssl_options.
+ It's SecureTransport, so affects any MacOS clients which use the
+ system-integrated TLS libraries, including email clients.
+
Exim version 4.80.1
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