Talk to your broker who will engage your companies legal team to look into the matter to establish your grounds. If your company does not have a law team, consult your Board of Realtors, they have a real estate attorney on stand by.
Bill is Indymac working under HAFA guidelines? I don't think so.
From the Treasury Q&A
If your servicer is on our participant list, or your mortgage is owned or guaranteed by Freddie Mac or Fannie Mae, call your servicer back and ask to speak to a supervisor. You may also contact a HUD-approved housing counselor for assistance.
If your servicer is not participating in the Program, ask your servicer or a housing counselor about other options that may be available.