Labels:text | diagram | map OCR: GATEWAY APPROACH TO E-MAIL Brand Y E-mail System Brand X Brand Z E-mail System E-mail System -- Brand A Brand C E-mail System E-mail System Brand B Gateways E-mail System between each e mail system FIGURE 1: A gateway approach to e-mail is not scalable. The number of gateways required is a function of the number of e-mail environments, and is equal to nin-11/2, where n equals the number of e-mail environments.
