[Neoxphuse]

If they are sending emails, I would suggest you make a copy in your personal inbox as you never know if they start deleting the emails.

As everyone says, document everything that happens. In fact, start documenting it in front of her with the time and all witnesses.

All the best. As people have mentioned, there should be policies in place for harrassment. I work for a big regional corporation and I can guarantee if bullying was reported to HR or the media, that person would be let go immediately. Thankfully, that culture does not exist around here.