[Mimedefang] obtaining the senders IP address within filter_begin

[TLD MimeDefang]

> Although accurate, replacing "If this is ..." with "Where this is..." is better diction.

   In my particular case, I just missed this part... or overlooked it. 
:)  I'm certain I saw the beginning line " The  following  global 
variables are set by mimedefang.pl [snip]" and said to myself "OK this 
is the correct section" and then began thumbing through the list of 
variables.

Brad/TLD