@Gargron Maybe break up the text into two sentences to reduce wordiness? I'm just nitpicking, though. 😛
"While your account is not locked, manual review is still required for these follow requests. These accounts have been deemed potentially suspicious or unsafe by your server's staff."
Or it can be rearranged
"While your account is not locked, manual review is still required for follow requests from accounts your server's staff has deemed potentially suspicious or unsafe."