Regarding the reception setting, even if it is not set by the customer himself / herself, it may be set from the time of purchase.
There are also cases where restrictions are imposed by providers. Please confirm whether it is applicable to the following.
Your registered e-mail address is incorrect
I set reception limit
Mail from this site is moving to spam folder etc.
Received mail folder, mailbox, etc. are over capacity
Mail containing URL, mail sent from the system, automatic sent mail is refused reception
You are using an email address containing a character string that is restricted in use
[Example] Continuation of symbols (-_-), beginning with a symbol (- abc), etc.
In addition, customers who use the following e-mail address please refer further.
Customers using docomo
Please check the spam mail settings block setting.
Please check Spam Entrust Regulation settings. (It may be set from the time of purchase)
Please turn off the iPhone Wi-Fi setting (Settings → Wi-Fi) and access the mail setting screen (https://set.mail.ezweb.ne.jp/md/signin).
Login with au ID and password → "Change e-mail address ・ Junk e-mail filter" → "Junk e-mail filter" → "Enter personal identification number" → "Individual setting" → "Spam e-mail restriction regulation"
After logging in, please click "Filter" from "Setting", proceed to "Create new folder", enter "@laughterinthedark.com" in From, then check "Do not put it as junk mail" from "next step" Please press "Create Filter".