JH/31 Check the HELO verification lookup for DNSSEC, adding new
$sender_helo_dnssec variable.
+JH/32 Bug 1397: Enable ECDHE on OpenSSL, just the NIST P-256 curve.
+
+JH/33 Bug 1346: Note MAIL cmd seen in -bS batch, to avoid smtp_no_mail log.
+
Exim version 4.85
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