nationstar mortage filed forclosure on home after losing my payments Internet

after losing my payments and not accepting them after I resent them, this so called mortage company filed foreclosure on my home.  I not only have a large sum of money to pay,  I have late fees and attorney fees to pay to keep my home.  Attempt to contact company, no response from them, and when I do get somone on the phone,  they act as if they have no idea what I am talking about.  I sent money to this company and checks never cashed, I am still fighting with them on where all the money is that i sent.in the past they did receive my payments, but will hold the check until after the due date and then tack on a late fee.  This company is one of the worse I have ever dealt with.  I have never had this kind of trouble with any other company.  As of july 18, 2012 I sent all the money to save my home, and of course contacted company and they are telling me that the money has not been received, after I sent it western union. 

Joe

Ohio