The current federal government of France? Of the EU? The article is not about the USA.
Are you sure ? They say in the article that they were not able to fing out who sent the email. Site was behind Cloudfare (so US).
It seems 57% of people in France can speak English, which I can easily believe:
https://en.wikipedia.org/wiki/List_of_countries_by_English-s...
No reason to doubt this is coming from a French person.