Welcome! This forum has a treasure trove of great info – Scouters helping Scouters! Just a heads up, though - all content, information, and opinions shared on this forum are those of the author, not the BSA.
Yes, that is the email address he is trying to login with. He is not receiving the emails to reset the password though. It could be a spam blocker somewhere, but he is receiving other messages from Scoutbook.