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 Disable SSLv2 by default in OpenSSL support.
+
Exim version 4.77
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