Also option tls_sni on SMTP Transports. Also clear $tls_bits correctly
before an outbound SMTP session. New log_selector, +tls_sni.
+PP/18 Bugzilla 1122 - check localhost_number expansion for failure, avoid
+ NULL dereference. Report and patch from Alun Jones.
+
+PP/19 DNS resolver init changes for NetBSD compatibility. (Risk of breakage
+ on less well tested platforms). Obviates NetBSD pkgsrc patch-ac.
+ Not seeing resolver debug output on NetBSD, but suspect this is a
+ resolver implementation change.
+
Exim version 4.77
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