in reply to email address hiding

I use this trick, and the result is very good... 
perl -le 'print map{printf"&#%03d;",ord}split//,$ARGV[0]' the@address.
+net

the@address&#04
+6;net

[download]
More information: google with words: "spam entities html".
Example: How to avoid spam
Encoding Mail
Email Address Encoder

In Section Seekers of Perl Wisdom