as a tracking header (ie: a signed header comes before the signature).
Patch from Wolfgang Breyha.
+JH/01 Bugzilla 660 - Multi-valued attributes from ldap now parseable as a
+ comma-sep list; embedded commas doubled.
+
+PP/15 LDAP: Check for errors of TLS initialisation, to give correct
+ diagnostics.
+ Report and patch from Dmitry Banschikov.
+
+PP/16 Removed "dont_insert_empty_fragments" fron "openssl_options".
+ Removed SSL_clear() after SSL_new() which led to protocol negotiation
+ failures. We appear to now support TLS1.1+ with Exim.
+
+PP/17 OpenSSL: new expansion var $tls_sni, which if used in tls_certificate
+ lets Exim select keys and certificates based upon TLS SNI from client.
+
Exim version 4.77
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