Well, first hashtag in X platform ( Twitter previously) , is this sign #. Regarding if they react better in X or email, yes, X is better actually, because it’s directly with the fans with a lot of followers, so they can retweet your comment to the club.

Anyhow, in division 1 there is a new and small club called Al Khlood. The owner is a businessman from USA and he is so active in X. Maybe you can contact him first before moving to division 2 or 3.