为保护邮箱安全，苹果手机自带邮件APP添加阿里企业邮箱时建议使用第三方客户端安全密码。

To protect email security, it is recommended to use a third-party client security password when adding Alibaba enterprise email through the built-in email app on Apple phones

1. 打开设置-邮件-账户-添加账户
Open Settings - Email - Account - Add Account

2. 添加账户, 选择“其他”账户,添加邮件账户,输入邮箱帐号，第三方客户端安全密码（点击查看安全密码生成步骤），下一步
Add account, select "Other" account, add email account, enter email account, third-party client security password (click to view security password generation steps), next step

3. 进入新账户配置页面，建议选择IMAP（查看IMAP和POP不同）,
输入收件（IMAP）服务器地址：imap.qiye.aliyun.com、完整的邮箱地址、第三方客户端安全密码（查看生成教程）、端口：993、安全类型选择SSL/TLS

输入发件（SMTP）服务器地址：smtp.qiye.aliyun.com、完整的邮箱地址、第三方客户端安全密码（查看生成教程）、端口：465、安全类型选择SSL/TLS
如果选择POP协议，输入收件（POP）服务器地址：pop.qiye.aliyun.com、完整的邮箱地址、第三方客户端安全密码（查看生成教程）、端口：995、安全类型选择SSL/TLS
即可配置成功。

On the new account configuration page, it is recommended to choose IMAP (to see if IMAP and POP are different),

Enter the recipient (IMAP) server address: imap.qiye.aliyun.com、 Complete email address, secure password for third-party client (see generation tutorial), port: 993, security type selection SSL/TLS

Enter the sender (SMTP) server address: smtp.qiye.aliyun.com、 Complete email address, secure password for third-party client (see generation tutorial), port: 465, security type selection SSL/TLS

If you choose the POP protocol, enter the recipient (POP) server address: pop.qiye.aliyun.com、 Complete email address, secure password for third-party client (see generation tutorial), port: 995, security type selection SSL/TLS

The configuration can be completed successfully.