1. An email message generator comprising: a receiving component for receiving message data for generating an email message to be addressed to a user at a destination system; an analysis component for analyzing the received message data to identify one or more sections of the received message data, each section consisting of characters having the same formatting characteristic; a converter component for converting the message data to a platform-independent format; a generating component for generating an image set comprising character images having a single formatting characteristic found in one or more of the identified sections of the message data, and a set of replacement instructions for use at the destination system to render the message by replacing each character specified in the platform-independent format with a character image retrieved from one of the image sets; and a transmitting component for sending said email message including said image set and set of replacement instructions to said destination system, wherein the analysis component further comprises a component for identifying a lowest common denominator of identified characters in the message data for use in generating character images by the generating component.
2. An email message generator according to claim 1 wherein the analysis component further comprises a component for determining a number of blank spaces in the email message to be replaced with a generated blank image.