The fake website, lexingtonlaw-firm.com, which the email appears to have been sent from, is not the legitimate Lexington Law Firm website, therefore, all emails from that website should be treated as fakes.
The legitimate website is located:
A Sample of a Fake Fake Lexington Law Firm Legal Notice
From: James Robinson - email@example.com
Date: Monday, July 9, 2018
Subject: Final Settlement
You are going to be served with the court papers due to non-payment. If you want to avoid these legal consequences, we merely require you to get back to our manager EDWIN GONZALEZ (firstname.lastname@example.org) with the payment, you can e-mail for further details.