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【au Email Portability】How to Apply for au Email Portability and Set Up the Email App (iPhone / iPad)

STEP1: Application for the service

【au Email Portability】I would like to know how to apply

You can apply via the au Email Portability webpage.

Please check the following for the application procedure.

Important notes

  • When you apply for the au Email Portability service, all spam email filter settings will be reset. Please set them again after completing your application.
  • Applications must be submitted within 31 days from the day after the cancellation date of your au contract. (After canceling your au contract, emails sent before completing your application for this service will not be received by the server. Email sending and receiving will resume after completing your application for this service.)
  • Some features that were available when you signed up for an au contract, such as the email address change function, are no longer available.

Steps

  • 1

    Access the au Email Portability page on the device you will be using for this feature.

    Click here to apply for au Email Portability (in Japanese only)
    • Please use the Safari browser.
  • 2

    Enter the au ID of the email address you wish to apply for and tap on "Next" [次へ].

    • If this screen does not appear, proceed to Step 5.
    • If you are connected to Wi-Fi when logging in with your au ID, you may be required to perform two-step verification.
  • 3

    Enter your password and tap on "Log In" [ログイン].

  • 4

    Select the email address you wish to use to apply for au Email Portability, and then tap on "Next" [次へ].

    • If this screen does not appear, proceed to Step 6.
  • 5

    Review the Terms and Conditions, tap on the checkbox for "I agree to the Terms and Conditions" [利用規約に同意する], and then tap on "Apply for au Email Portability" [auメール持ち運びに申し込む].

    Next, set up payment with "au PAY (au Easy Payment)". 

    Proceed to the step in STEP 2 that matches your situation.

STEP2: Setting up au PAY (au Easy Payment) (currently using UQ mobile or povo2.0)

【au Email Portability】I would like to pay the service fee using au PAY (au Easy Payment) (currently using UQ mobile or povo2.0)

After applying for au Email Portability, you can use the verification code received via text message (SMS) to set up the payment with au PAY (au Easy Payment).

For details, please refer to the information below.

Important notes

Steps

  • 1

    Tap on "Agree" [同意する].

    • This screen will only appear when you use au PAY (au Easy Payment) for the first time.
  • 2

    Tap on the received text message [SMS] to open it.

  • 3

    Check the verification code and return to the Service Usage Confirmation page.

  • 4

    Enter the verification code and tap on "Register" [登録する].

    The application for au Email Portability is now complete.

    Next, we will configure your email app, so please proceed to STEP 3.

STEP2: Setting up au PAY (au Easy Payment) (currently using another carrier)

【au Email Portability】I would like to pay the service fee using au PAY (au Easy Payment) (currently using another carrier)

To set up au PAY (au Easy Payment), please register your customer information after following the application steps for the au Email Portability service.

For details, please refer to the information below.

Steps

  • 1

    Tap on "Agree" [同意する].

    • This screen will only appear when you use au PAY (au Easy Payment) for the first time.
  • 2

    Enter your customer information and tap on "Set" [設定する].

    • Please register an email address that is not an au email (@au.com / @ezweb.ne.jp) as your contact email address.
  • 3

    Tap on "Set" [設定する].

  • 4

    Enter the verification code and tap on "Set" [設定する].

  • 5

    Tap on "Next" [次へ].

    • If the two-step verification setup screen is displayed, tap on "Set up two-step verification" [2段階認証を設定する] → "Set" [設定] → "OK" in that order.
  • 6

    Enter your "Credit card number", "Expiration date" (month / year), and "Security code", then tap on "Register" [登録する].

    The application for au Email Portability is now complete.

    Next, we will configure your email app, so please proceed to STEP 3.

STEP2: Setting up au PAY (au Easy Payment) (without a phone line contract)

【au Email Portability】I would like to pay the service usage fee with au PAY (au Easy Payment) (without a phone line contract)

To set up au PAY (au Easy Payment), please register your customer information after following the application steps for the au Email Portability service.

For details, please refer to the information below.

Steps

  • 1

    Tap on "Agree" [同意する].

    • This screen will only appear when you use au PAY (au Easy Payment) for the first time.
  • 2

    Enter your customer information, and tap on "Set" [設定する].

    • Please register an email address that is not an au email (@au.com / @ezweb.ne.jp) as your contact email address.
  • 3

    Tap on "Set" [設定する].

  • 4

    Enter the verification code and tap on "Set" [設定する].

  • 5

    Tap on "Next" [次へ].

    • If the two-step verification setup screen is displayed, tap on "Set up two-step verification" [2段階認証を設定する] → "Set" [設定] → "OK" in that order.
  • 6

    Enter your "Credit card number", "Expiration date" (month / year), and "Security code", then tap on "Register" [登録する].

    The application for au Email Portability is now complete.

    Next, we will configure your email app, so please proceed to STEP 3.

STEP3: How to set up the iPhone Mail app (Initial setup / Reconfiguration)

【au Email Portability】How to set up the iPhone Mail app (Initial setup / Reconfiguration)

After applying for au Email Portability, you can set it up by installing the profile.

If you are already using the au Email Portability service and need to reconfigure it due to device replacement, etc., you must reinstall the profile.

Please see below for detailed setup instructions.

Important note

  • Please use Safari as your browser.

    If you use other browsers, it may not be possible to install the profile.

Steps

  • 1

    The application for au Email Portability was completed up to STEP 2.

    Next, set up the Email app to start using the service.

    Tap on "iPhone Mail app" [iPhone 標準メールアプリ].

    • When reconfiguring the settings, log in to "My Page" for au Email Portability and tap on "Mail app settings" [メールアプリの設定] → "iPhone Mail app" [iPhone 標準メールアプリ] in that order.
    Click here for the au Email Portability My Page
  • 2

    Tap on "Download Profile" [プロファイルをダウンロードする].

  • 3

    Tap on "Allow" [許可].

  • 4

    Tap on "Close" [閉じる].

  • 5

    Return to the home screen, tap on "Settings" [設定アプリ].

  • 6

    Tap on "Downloaded Profile" [ダウンロード済みのプロファイル].

    • It may also display iPhone setup suggestions or iPhone setup complete.

    If it is not displayed, tap on "Settings" [設定] → "General" [一般] → "VPN and Device Management" [VPNとデバイス管理] → "Downloaded Profiles" [ダウンロード済みプロファイル].

  • 7

    Tap on "Install" [インストール].

  • 8

    Enter your "Passcode" [パスコード].

    • The screenshot shows the screen when a 6‑digit numeric passcode is set. If this screen does not appear, proceed to Step 9.
  • 9

    Tap on "Install" [インストール].

  • 10

    Tap on "Install" [インストール].

  • 11

    Tap on "Complete" [完了].

    The setup is now complete.

STEP4: How to manually set up emails (only when setting up multiple email addresses)

【au Email Portability】How to set up multiple email addresses

If you want to set up two or more email addresses after applying for au Email Portability, you will need to set them up manually.

Please refer to the following for the setup instructions.

Important note

  • When downloading the profile from the au Email Portability My Page while setting up an email address, the initially registered settings will be overwritten.

    Please set up two or more email addresses manually.

Steps

  • 1

    On the au Email portability application completion screen, tap on "Check the ID and password required for email settings" [メール設定に必要なID・パスワードを確認する].

    Alternatively, after logging in to "My Page" for au Email Portability, tap on "Email App Settings" [メールアプリの設定] → "Check the ID and password required for email settings" [メール設定に必要なID・パスワードを確認する] in that order.

    Click here for the au Email Portability My Page
  • 2

    Note down the information needed to manually configure your email settings: "Username" [ユーザー名], "Password" [パスワード], "IMAP Server" [IMAPサーバ], and "SMTP Server"[SMTPサーバ], then return to the home screen.

  • 3

    Tap on "Settings" [設定].

  • 4

    Tap on "Mail" [メール].

    • For iOS 18 or later, tap on "Apps" [アプリ] → "Mail" [メール] in that order.
  • 5

    Tap on "Account" [アカウント].

  • 6

    Tap on "Add Account" [アカウントを追加].

  • 7

    Tap on "Other" [その他].

  • 8

    Enter your name (any name), the email address you want to register, and the password noted in step 2. 

    • Enter a description if necessary (optional).
  • 9

    Select "IMAP" and enter the items you noted in step 2.

    1. IMAP Server
    2. Username
    3. Password
    4. SMTP Server
    • The username and password are the same for both the incoming and the outgoing mail servers.
  • 10

    Tap on "Save" [保存].

  • 11

    The setup is now completed.

  • 12

    Please check that you can receive emails in both of the configured mailboxes in the Mail app.

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