It is hard, but always remember that people are responding to the situation, to their own drivers/measures, and their own issues, and _not_ first and foremost to the person you are - but to the message you deliver.
That isn't easy, but if you can forgive their action/reaction and don't focus on the person, you can start to separate those feelings out.
Take time in your responses to others - don't feel you need to respond to that email until you've had time to think it through, sleep on it if needs be. Do what you can to diffuse the situation.
But first and foremost question if this is the right company/culture for you. I've had working experiences that have upset me, but talking with people at the company actually helped to bring about great change - so I didn't need to leave (which was an option), but if it hadn't I certainly would have left, and I'm certain I would have found something new that I loved. In the end I did move on (for other reasons) and have found a position in a very supportive company - the benefits to me personally are huge and I'm sure they also positively impact my family and friends. Don't 'wear' the pain.
That isn't easy, but if you can forgive their action/reaction and don't focus on the person, you can start to separate those feelings out.
Take time in your responses to others - don't feel you need to respond to that email until you've had time to think it through, sleep on it if needs be. Do what you can to diffuse the situation.
But first and foremost question if this is the right company/culture for you. I've had working experiences that have upset me, but talking with people at the company actually helped to bring about great change - so I didn't need to leave (which was an option), but if it hadn't I certainly would have left, and I'm certain I would have found something new that I loved. In the end I did move on (for other reasons) and have found a position in a very supportive company - the benefits to me personally are huge and I'm sure they also positively impact my family and friends. Don't 'wear' the pain.
Lastly: http://www.explainxkcd.com/wiki/index.php/1768:_Settling