METHOD Title: POP::Carp::email_admin Desc: This method will email whatever (error) message is passed in as ARG1 (string argument) to address specified by the $POP_ADMIN_EMAIL environment variable. The mailer program used to send the email will be found in the path/file-name specified by the $POP_MAILER environment variable. No return-codes are checked on the mailer as we're already in a croak when this is called.