In order to run this module, you need these Perl Modules:

- Encode
- HTML::Entities
- Cyrus::IMAP
- Mail::IMAPClient
- Tree::Simple    

The Encode module is normally included in any distribution of Perl,
but it's also available at CPAN Library, www.cpan.org

The HTML::Entities module is a submodule of perl-HTML-Parser package 
which is included in many distributions; otherwise you can download 
it from www.cpan.org. 

The Mail::IMAPClient, Cyrus::IMAP and Tree::Simple modules are available at CPAN,
as well as packaged for various distrubutions in RPM and DEB format.