Configuring Yahoo.ne.jp for your iOS Device

First, a few words about Yahoo.ne.jp:

Yahoo! Mail is an email service launched on October 8, 1997, by the American company Yahoo, Inc. It offers four different email plans: three for personal use (Basic, Plus, and Ad Free) and another for businesses. As of January 2020, Yahoo! Mail has 225 million users. Users are able to access and manage their mailboxes using webmail interface, accessible using a standard web browser. Some accounts also supported the use of standard mail protocols (POP3 and SMTP). Since 2015, users can also connect non-Yahoo e-mail accounts to the webmail client. Source: https://en.wikipedia.org/wiki/Yahoo!_Mail

Configuring Yahoo.ne.jp:

Mail app may find the settings itself then complete setting up your account. Follow these steps first to try:

1. Go to Settings > Mail, and tap Accounts.
2. Click Add Account > Other and click Add Mail Account.
3. Enter your name (can be any name), email address, your password then a description for your account.
4. Tap Next. Mail will now try and find the e-mail configuration and finish setting your account. If the Mail app finds the e-mail parameter, tap Done to finish your account setup.

In case Mail didn't automatically set up your account, then you will need to enter them yourself. You may need the information below:

Outgoing E-mail Server Setup (using SMTP)

Incoming Mail Server (IMAP) Setup

Tap Next, then follow these steps:

1. Select either IMAP or POP. If you don't know which one to opt for, contact Yahoo.ne.jp
2. Enter the information (You will want to refer to the table above) for Incoming Mail Server and Outgoing Mail Server. Then click Next.
3. If the mail settings are correct, tap Save to finish the setup. If the email configuration is incorrect, Mail will ask you to edit the configuration
4. In case you still can't configure your account, or store your email settings, contact Yahoo.ne.jp.