This example uses iOS 16.1.1
1. Go to Settings > Mail > Accounts > Add Account > Other > Add Mail Account, and enter your account information:
Email: Your full email address.
Password: Your email logon password.
2. Tap Next. Enter the information for the incoming and outgoing mail servers. The setup is complete once your information is authenticated.
1) Incoming Mail Server: Choose IMAP or POP3. The corresponding servers are imap.aliyun.com and pop3.aliyun.com.
Username (Required): Your full email address.
Password: Your email logon password.

2) Outgoing Mail Server: smtp.aliyun.com
Username (Required): Your full email address.
Password: Your email logon password.

Note: To use Secure Sockets Layer (SSL) encryption, change the server ports as follows:
POP3: 995, IMAP: 993, SMTP: 465
3. Configure any other account settings as needed, and then save your changes.