sending a followup twice with different users let the reactor 
overreact (loop until no maximum recursion).

i know where to 
turn this off
nosyreactor.py move 2nd change=1 down:
line: 82
  
if db.user.get(authid, 'username') == 'anonymous': continue
  
change = 1 # MOVE FROM
  # append the author only after issue 
creation
  if oldvalues is None:
    nosy.append(authid)
    change = 
1 # TO HERE