SMTP is basic in nature. By default, it is a "simple" protocol that's sole purpose is the transfer of text. Many complex technologies have been layered on top of SMTP in order to secure messages. PGP, client-based software and an endless array of proprietary solutions have proven to be costly and a management nightmare. Postini Encryption Manager leverages your existing infrastructure investment by using Transport Layer Security, which is included with most mail servers. Setting up a simple policy will determine who you send encrypted mail to and who receives unencrypted messages. If you have a web browser, you can securely send and receive encrypted email to any recipient without proprietary software or complex networking. Try Postini's Encryption Manager on a trial basis to see if it is a good fit for you and your organization.
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