Prohibited e-mail domains
- One-time e-mail domains are prohibited
- Following non-one-time domains cannot be used either, as they were used for nuisance and cheating for many times in the past.
- qq.com
- yahoo.com
- yahoo.co.jp
- docomo.ne.jp
This is 81Dojo's web system for account and data management. The entrance to the shogi app can be found in the main site at https://81dojo.com.