CGI->escape() should take care of it 
$ perl -MCGI=escape -le " print escape(q/< > & ; ) ( [ ] escaped / ) "
%3C%20%3E%20%26%20%3B%20%29%20%28%20%5B%20%5D%20escaped%20

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In reply to Re^2: Post Email address as CGI Parameter by Anonymous Monk
in thread Post Email address as CGI Parameter by doubledecker

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