Name: Your Name (Whatever you want)
Email: Your username
Password: Your 188.com account password
Description: 188.com
Click Next Button
Hostname: appleimap.188.com
Username: Your username
Password: Your 188.com account password
Hostname: applesmtp.188.com
Username: Your username
Password: Your 188.com account password
Click Save Button
Use SSL: Yes
Authentication: Password
Server Port: 993
Use SSL: Yes
Authentication: Password
Server Port: 465