9. If built with EXPERIMENTAL_INTERNATIONAL, an expansion item for a commonly
used encoding of Maildir folder names.
+10. A logging option for slow DNS lookups.
+
+11. New ${env {<variable>}} expansion.
+
+12. A non-SMTP authenticator using information from TLS client certificates.
+
+13. Main option "tls_eccurve" for selecting an Elliptic Curve for TLS.
+
Version 4.85
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