Can check through the API whether an email address exists or not

src/helpers/AccountHelper.ts

@@ -161,6 +161,20 @@ export class AccountHelper {
 		};
 	}
 
+	/**
+	 * Check out whether an email address exists or not
+	 * 
+	 * @param email Email address to check
+	 */
+	public static async ExistsEmail(email: string) : Promise<boolean> {
+		return await DatabaseHelper.Count({
+			table: USER_TABLE,
+			where: {
+				mail: email
+			}
+		}) > 0;
+	}
+
 
 	/**
 	 * Check out whether a virtual directory is available or not