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Tip of the Week - Mail Transfer Agent Advanced Technical Reference Guide

Mail Transfer Agent (MTA) can be enabled on the Security Gateway to manage the emulation of SMTP traffic.

It is possible that during file emulation, the e-mail server cannot keep the connection open for the time that is necessary for full emulation. When this happens, there is a timeout for the e-mail. A Threat Emulation deployment with an MTA avoids this issue - the MTA completes and closes the connection with the source e-mail server and then sends the file for emulation. After the emulation is complete, the MTA sends the e-mail to the mail server on the internal network.

For more details about configuration, deployment, and limitations, please refer to the MTA ATRG article.

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