Looking for logging into the Yahoo Japan Mail site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Yahoo Japan Mail site. After that you can login as usual with your login credentials.
https://login.yahoo.co.jp/config/login
https://mail.yahoo.co.jp/promo/
https://www.yahoo.co.jp/
https://mail.yahoo.co.jp/ymchange/promo
https://www.yahoo-help.jp/app/answers/detail/a_id/47899/~/%E3%83%A1%E3%83%BC%E3%83%AB%E3%81%AB%E3%83%AD%E3%82%B0%E3%82%A4%E3%83%B3%E3%81%A7%E3%81%8D%E3%81%AA%E3%81%84%EF%BC%88yahoo%21-japan-id%2F%E3%83%A1%E3%83%BC%E3%83%AB%E3%82%A2%E3%83%89%E3%83%AC%E3%82%B9%E3%83%BB%E3%83%91%E3%82%B9%E3%83%AF%E3%83%BC%E3%83%89%E3%82%92%E5%BF%98%E3%82%8C%E3%81%9F%EF%BC%89
https://www.yahoo-help.jp/app/answers/detail/p/622/a_id/47896/~/yahoo!
https://www.yahoo-help.jp/app/answers/detail/a_id/41922/~/yahoo%21-japan-id%E3%82%92%E7%99%BB%E9%8C%B2%E3%81%99%E3%82%8B%E3%81%AB%E3%81%AF
https://www.yahoo-help.jp/app/answers/detail/a_id/41939/~/%E3%83%A1%E3%83%BC%E3%83%AB%E3%82%A2%E3%83%89%E3%83%AC%E3%82%B9%E3%81%A7%E3%83%AD%E3%82%B0%E3%82%A4%E3%83%B3%E3%81%99%E3%82%8B%E3%81%AB%E3%81%AF
https://play.google.com/store/apps/details?id=jp.co.yahoo.android.ymail&hl=ja
https://www.softbank.jp/support/faq/view/18666
https://www.ymobile.jp/support/faq/view/22339
https://www.sophia.ac.jp/static/scs/YahooID.pdf
https://internet.watch.impress.co.jp/cda/news/2009/05/13/23414.html