* Make configure.in check whether or not libmilter requires -lldap.
* Fix Graphdefang to handle new md_syslog output style.
* Always check return code from chdir() in mimedefang.pl. In
certain cases on large and heavily-loaded serversm, if the chdir()
failed MIMEDefang would end up working in the wrong directory with
attendant chaos.
* Add "-G" option to mimedefang and mimedefang-multiplexor. This
makes their sockets group-readable and group-writable.
* Pass along the client port number, server IP address and server port
number to all filter functions. This feature was sponsored by Scayl.
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