Looking for logging into the Yahoo Box 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 Box site. After that you can login as usual with your login credentials.
https://login.yahoo.co.jp/config/login
https://info-box.yahoo.co.jp/guide/start/
https://info-box.yahoo.co.jp/notice/migration/2013062601.html
https://www.yahoo-help.jp/app/answers/detail/a_id/41643/~/%E5%88%A9%E7%94%A8%E7%99%BB%E9%8C%B2%E3%81%99%E3%82%8B
https://login.yahoo.com/
https://login.yahoo.com/config/login_verify2?box&.src=ym
https://ufirst.jp/memo/2018/05/28/%E3%80%90%E3%80%91yahoo-box%E3%81%AB%E3%81%82%E3%82%8B%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E4%B8%80%E6%8B%AC%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95/
https://www.box.com/login
https://www.slideshare.net/techblogyahoo/ybox-api-hackathon
https://www.dropbox.com/ja/
http://lp6m.hatenablog.com/entry/2016/08/12/184232
https://www.lifewire.com/why-log-in-yahoo-mail-every-time-1170874
https://www.sanebox.com/help/17-yahoo-how-to-set-up-automatic-forwarding-from-one-account-to-another-account