Wondering if a volunteer could go to the physical location necessary to restore service. If it’s in Athens Greece, I can make the trip.

Edit: The server is located in Azores, the flight would cost 415eur, I cannot afford that, maybe someone in Portugal could help?

I ended up setting up a postal server on my vps (see here). Their docs are pretty easy to follow through and it’s probably the cheapest option (assuming you already use the and have a domain).