The first thing you should do is close your eyes and breathe deeply for about ten seconds.
Now, make a copy of the money order, along with its endorsement, and send it to your landlord, along with a letter saying that, if she does not dismiss the action, you will sue her for malicious prosecution. If you do not get a favorable response, you must then file an answer denying the allegation and go to trial.
Your lease probably provides for attorney's fees to the prevailing party.Ask a similar question
After giving your landlord proof of payment, if they fail to dismiss the suit, be sure you show up to present your evidence. Check the deadlines - if you can counterclaim, you don't want to miss the deadline.Ask a similar question