Name: Your Name (What ever you want)
Email: Your username
Password: Your ezweb.ne.jp account password
Description: ezweb.ne.jp
Click Next Button
Hostname: imap.ezweb.ne.jp
Username: Your username
Password: Your ezweb.ne.jp account password
Hostname: smtp.ezweb.ne.jp
Username: Your username
Password: Your ezweb.ne.jp account password
Click Save Button
Use SSL: Yes
Authentication: Password
Server Port: 993
Use SSL: Yes
Authentication: Password
Server Port: 587
You can login ezweb.ne.jp and Signup for ezweb.ne.jp new account on your iPhone from here.