[ano]

Read the Llamaserver FAQ. It says:

Very weirdly, a problem's happened twice where a particular turn file arrives in a player's inbox corrupt. On requesting a resend, the turn arrives corrupt again. But the file's fine on the LlamaServer, and if I change the e-mail address to my own and get it to resend it works fine. Solution: ask the admin to get the file sent to him (by temporarily changing the nation's e-mail address) and have him forward the file to you. The next turn the problem should have gone. This is super super weird, but fortunately also super rare.

I think that is exactly the problem you have