It's understood they made it as far as the foyer before being kicked out.
The email refers to Māori as a "primitive people" who were "raped and eaten by each other".
"I don't want to live next door to someone who will blow me up and blow up my family."
Police and the company have been approached for comment.
"You're a coward. Piss off the road".
Wednesday was the 71st day of the demonstrations.
These trees are the tip of the iceberg with a 'slaughter that's going on.'
One person has been hospitalised after being shot in the arm.