You have an internet server suite, mail server, ftp server, dns administration equipment and 100+ extensions which you can use in order to improve effectiveness of your respective server. You’ll have to buy a license to obtain the most out of your platform, but Plesk offers a free demo license https://pleskmigration22221.celticwiki.com/805625/not_known_facts_about_plesk_migration_to_new_server