[To begin with]
Push "Y! button" on the phone, then access Yahoo!Japan → Push "Menu List" on the screen

1.Push "My SoftBank"

（If the screen of using rules is displayed, approve it, then go on to the next.）

2.Push "Email Setting" in "Setting, and Change"

3.Push "Email Setting (Address, Junk mail, etc.)"

4.Push "Setting for Blocking Junk mail"

5.Check "● Individual Setting" under "For Setting in detail," then push "Next" button

6.Push "5. Setting Approving/Rejecting to Receive"

7.Push "▶Setting the List Approved to Receive"

8.Input "ckip.jp" in the box of inputting the address for the list approved to receive

Check "●Setting" under the setting to use, then take off the checkmark of "□Approve all emails"
Input "ckip.jp" in the box of inputting the address for the list approved to receive, then check "●Back."
Scroll down to the bottom of the page, (also possible to push "Move down to the bottom of the page"), then push "Setting"

9.Setting completed