This is Perl module MooseX::Types::Email::Loose. INSTALLATION MooseX::Types::Email::Loose installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan MooseX::Types::Email::Loose Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION MooseX::Types::Email::Loose documentation is available as in POD. So you can do: % perldoc MooseX::Types::Email::Loose to read the documentation online with your favorite pager. hayato imai