A ※）You need to be under contract of Yahoo! Mail Plus.

You can select either IMAP or POP at the top of New Account screen after saving address and password.

Please make sure the account's configuration information is set as follows in the Settings.

In case of POP

Incoming mail server (POP)	Host	pop.mail.yahoo.com
	User	mail address without the part after@
	Detail SSL	ON
	Authentication	Password
	Detail Server Port	995
Outgoing mail server (SMTP)	Host	smtp.mail.yahoo.com
	User	mail address without the part after@
	SSL	ON
	Authentication	Password
	Server Port	465 (If you cannot send, try 587.)

※You need the settings for POP at www.yahoo.com.
you will also need to be under contract of Yahoo! Mail Plus.
The settings at Yahoo.com
1) Please access tohttp://www.yahoo.com/on your PC.
2) Please log in to your yahoo Mail.
3) Click Options>Mail Options on the right side
4) Plase click POP & Forwarding.
5) Please click Set up or edit POP & Forwarding.
6) Please select POP or Forwarding,and select other options you'd like.
7) Click Save button.
8) Please check if you can send and receive e-mails on PC, then check if you can send and receive with iibisMail for iPhone.

In case of IMAP

Incoming mail server (POP)	Host	imap.mail.yahoo.com
	User	mail address (including the part of the address following @)
	Detail SSL	ON
	Authentication	Password
	Detail Server Port	993
Outgoing mail server (SMTP)	Host	smtp.mail.yahoo.com
	User	mail address (including the part of the address following @)
	SSL	ON
	Authentication	Password
	Server Port	465 (If you cannot send, try 587.)