About joining
Are there any email addresses that cannot be used for registration?
You cannot register email addresses from [AOL], [tac-net.ne.jp], or [i-younet.ne.jp] due to the special environment.
Additionally, the following services are generally not available as they do not comply with the global Internet communication standard RFC (Request for Comments).
▼Non-RFC compliant email address
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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
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If you are using an email address that contains the relevant string, please register again using a different email address.
▼【icloud.com】domain address
According to Apple's regulations, emails sent from this site are deemed to be "emails that violate Apple's local policy."
You may be refused to receive emails.
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 view the site content without paying a membership fee?
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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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How long does it take to become a member after paying the membership fee?
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What is the expiration date of my membership?
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At what stage is registration complete?
If the above does not resolve your issue, please contact us using the details below.