My Page

Q I haven’t received my reservation confirmation email.

A
Please check the following:

1. Please check that your email address is correct.
Check the email address registered on My Page.
If it is incorrect, select [Change Reservation Information] and enter the correct email address.
After updating your email address, select [Resend].

2. Please check your spam filter settings.
Please adjust your spam filter settings or add info@kosokubus.com to your list of approved senders.
After changing your settings, select [Resend].
■ My Page Login
https://www.kosokubus.com/_en/?page=login

3. Please check your spam or junk folder.
Your [Reservation Confirmation] email may have been automatically filtered into your spam, junk, or another folder. Please check folders other than your inbox as well.

4. Please check your email storage capacity.
If your mailbox is full or has insufficient storage space, you may not be able to receive new emails.
Last Updated: Jun 1, 2026

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