I wouldn't assume that your boss is going along with "it" - he may not want to deal with "it" {the email} if no one brings it up??

Did you send an email reply with an explanation of your side of it to your boss only? - why you can't get to the website to do the group email thing?

can you try on another computer to see if you can get to that site from it?

I think hostile work place or discrimination might be federal thing- check fed gov website for more info.
here's something -
http://employeeissues.com/hostile_work_environment.htm
http://www.google.com/search?hl=en&c...ov&btnG=Search