JH/27 Fix SOCKS bug: an unitialized pointer was deref'd by the transport process
which could crash as a result. This could lead to undeliverable messages.
+JH/15 Fix a crash in the smtp transport caused when two hosts in succession
+ are unsuable for non-message-specific reasons - eg. connection timeout,
+ banner-time rejection.
+
Exim version 4.89
-----------------