Is there a way to get this thing under port 80 or because of a donation the system can't? and one more question, will multi account manager work?
You must use SSL for this to work, otherwise you won't be able to use Stripe as a payment proccessor. An easy alternative is to proxy the requests through Cloudflare. Cloudflare adds its own SSL and you can keep listening to port 80.
The multi-server option is not yet done. I am too busy with my work these days. I will probably continue its development in a few weeks.
If you are familiar with PHP, here is the logic for the multi-server version.
https://gitlab.com/nick_anto/l2jmobius-acm-multiserverWhat's actually left is to split all settings into "General" and "Server" ones.