Looking for logging into the Diablo 2 Battle.net Email Too Long 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 Diablo 2 Battle.net Email Too Long site. After that you can login as usual with your login credentials.
https://eu.battle.net/forums/en/bnet/topic/17615453221
https://us.battle.net/forums/en/d3/topic/5596251067
https://us.battle.net/forums/en/bnet/topic/20758585976
https://us.battle.net/forums/en/bnet/topic/20761065936
https://eu.battle.net/forums/en/bnet/topic/17610611020
https://us.battle.net/forums/en/bnet/topic/18301006757
https://us.battle.net/forums/en/bnet/topic/20752648184
https://us.battle.net/forums/en/bnet/topic/13593729675
https://www.diabloii.net/forums/threads/battle-net-login-too-long.736257/
https://diablo3.ingame.de/hilfe/bnet/bnet02/
https://forums.anandtech.com/threads/cant-connect-to-battle-net-w-diablo-2-because-my-username-is-too-long.297011/
https://www.reddit.com/r/Diablo/comments/8vxhbs/lost_my_18_years_old_d2_account_since_when_they/
https://gaming.stackexchange.com/questions/64751/how-far-back-is-it-possible-to-retrieve-battle-net-characters