I'd have to see their actual email before I decide whether you are over-reacting. If they actually wrote "Fu, it's your problem, etc." then no you aren't over-

I'd have to see their actual email before I decide whether you are over-reacting. If they actually wrote "Fu, it's your problem, etc." then no you aren't over-reacting at all. I very much doubt that I would summarize their email the same way, however.