About joining
Are there any email addresses that cannot be used for registration?
A. 【AOL】【tac-net.ne.jp】【i-younet.ne.jp】のメールアドレスは環境が特殊なため、ご登録いただけません。
また、下記は世界共通となるインターネット通信規格RFC（Request for Comments）に準拠していないため、原則ご利用いただけません。
■RFCに準拠していないメールアドレス
該当文字列を含むメールアドレスをご利用の場合は、別のメールアドレスにて改めてご登録ください。
1. If symbols other than "-", "_", ".", "+", "?", and "/" are included
2. When two or more consecutive symbols are used
3. When symbols are used at the beginning and end (immediately before @)
4. If the part before the @ is 64 characters or more
5. If the entire email address is longer than 256 characters
■【icloud.com】ドメインのアドレス
Due to Apple's regulations, emails sent from this site may be deemed to be "emails that violate Apple's local policies," and may be rejected.
We do not recommend its use on this site.
We recommend that you register using a free address such as [gmail.com] or [yahoo.co.jp].
Other questions about "Joining"
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What is "Ringo Jam"?
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How do I join?
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Can I join using something other than a smartphone?
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Can I register using a name other than my real name?
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Can I register multiple times?
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My family member is already a member, can they join at the same address?
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Can I join if I live overseas (outside Japan)?
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I have a "Plus member ID", but I cannot register as an overseas member.
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I have not received the reply email containing the URL for new member registration.
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How long does it take to become a member after paying the membership fee?
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The message "Temporary registration" appears and I cannot proceed with the registration process.
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What is the expiration date of my membership?
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Q.
I would like to resume in-app purchases (App Store payment / Google Play payment).
If the above does not resolve your issue, please contact us using the details below.