Mail Essentials for Exchange - Version 2.0 Adds essential e-mail features to your mail server in order to improve security and increase your control over corporate e-mail communications. Features are: virus checking of in- and outbound mail, company wide disclaimer/footer text, content checking, archiving, blocking of certain attachments, advanced anti spam measures and automatic compression of outbound mail attachments to save on bandwidth. Mail essentials can also download mail from POP3 mailboxes, and increase your company's professional image by sending your customers personalized auto replies with unique tracking numbers!