# * A SMTP email server that is capable of receiving and sending emails for users in your domain.# ** Users in your domain must be able to send emails to users in the same domain and users in other students' domain in the class.# ** Users in your domain must be able to receive emails from other email users (both in your domain or from other domains).# * An IMAP Access Agent allowing users in your domain to remotely access their mail.** Users in your domain must be able to access/manage their mail box using IMAP(s) clients or a web browser.# * You email server must be configured to check the SPF (sender policy framework) of other domains for incoming email and reject email that are violating the sender policy.# * Configure your DNS server to implement and provide the SPF protection for your domain