Digital Ocean Email Problems on Wordpress

I need a guy to fix a wordpress email problem on digital ocean VPS, i can't send emails, i think it is because of the firewall, i don't know, what i need is the email working. secound task: i have a .[login to view URL] file, i which it should be my website in a previous version, i need some orders from my woocommerce that i have lost, so if you can check it please show me that orders. That's it.