Online connection only works using a vpn

[Spoygg]

Have you tried setting up chunk download rate? It can be pretty taxing on connection if it’s set too high.

Also this test might help out determining what is the issue:

cloudping.info

I got there results for EU and I’m from Europe:

|Europe (Ireland) |86 ms|
|Europe (London) |90 ms|
|Europe (Frankfurt) |78 ms|
|Europe (Paris) |86 ms|

that is method from this FAQ topic:

Q: I'm having connection / lag issues - help!?

If you are experiencing connection or lag issues you can help us explore the source of the problem by reporting the following information: 1. What is your ping time to servers around the world? All online games are sensitive to the latency of communication between the game client and servers. This is why it’s normally recommended to play on servers physically local to you. The following tool will report the latency of your connection to a collection of remote server locations around the world. …

You might want to read through the first post and follow instructions for tests.

I’m sure one of the devs will respond soon