sendemails #5600717 (License: Personal Use)

The image is a diagram of a network topology, which is a type of communication system used to communicate with a network. It consists of a firewall, a DNS and directory server, and a router.

The firewall is located in the center of the network, with a red brick wall surrounding it. The router is connected to the firewall by a blue arrow. The firewall is used to access the network's mail program (MUA) and the router is used for communication, communication, and routing.

There are several servers connected to each other, including a Mail server, Mail server (MTA), and

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