This document outlines the configuration of a mail server including 2 servers, Server_1 for gmail.com and a DNS server, and 3 PCs on the same network with IP addresses 192.168.1.1 to 192.168.1.3. It was submitted by Forruk Ahamad to their senior lecturer Pranab Bandhu Nath for their computer network lab course CSE-317 on June 6, 2021. The document lists the setup and 6 steps for configuration but does not provide details on the steps.