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@@ -42,6 +42,13 @@ Version 4.78
administrators can choose to make the trade-off themselves and restore
compatibility at the cost of session security.
+ 7. Use of the new expansion variable $tls_sni in the main configuration option
+ tls_certificate will cause Exim to re-expand the option, if the client
+ sends the TLS Server Name Indication extension, to permit choosing a
+ different certificate; tls_privatekey will also be re-expanded. You must
+ still set these options to expand to valid files when $tls_sni is not set.
+ Currently OpenSSL only.
+
Version 4.77
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