in pulseapi/utility/userpermissions.py [0:0]
def is_staff_address(email):
"""
This function determines whether a particular email address is a
staff address or not.
"""
if email is None:
return False
if '@' in email:
parts = email.split('@')
domain = parts[1]
if domain in AUTH_STAFF_EMAIL_DOMAINS:
return True
return False