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CA DLP can integrate with Sendmail and Postfix. Sendmail is a mail transfer agent (MTA) originating from the open source and Unix communities. Postfix is intended to be an easy-to-administer, secure alternative to the Sendmail MTA. Both are used to route and deliver email and provide additional services such as protecting organizations from unwanted messages (spam).
CA DLP integration with Sendmail and Postfix is implemented through its Milter MTA agent; this agent can reside directly on the Sendmail and Postfix server or on a remote Linux machine, connecting to the email server via a socket.
The Milter MTA agent uses the Sendmail Mail Filter API (milter) to access emails as they transit through Sendmail or Postfix. The milter allows third-party applications access to emails as they are processed in order to filter meta-information and content.
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