Essen Filtor - is a simplest way to filter business emails from a text file, containing list of email addresses. You can use any text file and feed them to Essen Filtor, it will quickly grab all the email addresses from the file, which you've provided, and creates a list of emails (in Master File) that you can feed to a mass-mailing program like "Essen Trojan Bulk Mailer". Essen Filtor is designed to be a complement to the Essen Trojan Bulk Mailer. Suite of bulk email software programs. Its purpose is to organize your email lists, in order to be more effective with your email marketing campaign. It removes duplicate and invalid email-ids precisely, from a text file and sorts email addresses in ascending order. It allows you to manage multiple mailing lists, and copy them into a single text file.