An apparatus and method for sending email, the apparatus comprising an encryption policy database for storing encryption policies pertaining to possible addressees, and a mail mediator for intercepting an email message after being dispatched by a mail user agent, and configured to retrieve any encryption policy pertaining to the addressee from the encryption policy database and to apply the encryption policy to the email message. The mail mediator attempts to encrypt the email message if the encryption policy pertaining to the addressee dictates that the email message should be encrypted