basic introduction:
foxmail6.5 is a domestic mail client software, you can log in QQ mailbox, Netease mailbox, etc., send and receive mail, easy to use.
Easymail mail server is a server software that can manage mailbox accounts, including creation, deletion, etc., and is used for mail communication.
Tutorial starts:
1. Install these two softwares first, the installation process is very simple . Software download link: Baidu network disk link
2. Open the Yimail mail server first, select Tools --> Server Settings, and configure it as shown in the figure. The domain name can be set arbitrarily, such as xxx.com, here is test.com For example, click OK. 
3. Click Windows Tools Account --> New Account to add a user account for sending and receiving emails. Here create two test users test1, test2. Easymail mail server has a default created admin user, which is the system administrator. 
4. To run foxmail6.5, at least one email account needs to be created to run foxmail, as shown in the figure, first use test1 to log in.
Fill in the email account and password you just set up, and click Next.
Pay attention to fill in the ip of the machine or 127.0.0.1 for the receiving mail and sending mail server, the next step.
Test whether the account settings are correct, and you can also set an avatar here.
After logging in, create a new email account test2, the method is the same as test1.
5. Test sending and receiving emails between two test mailboxes.
The test1 account composes an email and sends it to test2. There are two ways to receive emails, as shown in the figure:
After receiving, you can see the received mail.