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.
+
+PP/20 Revert part of NM/04, it broke log_path containing %D expansions.
+ Left warnings. Added "eximon gdb" invocation mode.
+
+PP/21 Defaulting "accept_8bitmime" to true, not false.
+
+PP/22 Added -bw for inetd wait mode support.
+
+PP/23 Safety checks against connection reuse where transport options present
+ a different identity to a remote host for two different messages (in
+ expansion of interface, helo_data, tls_certificate).
+ Bugzilla 1141.
+
Exim version 4.77
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