Hey Andrew. I’ve now been able to speak to Christel about your lawyer's letter and to get legal advice on it. I should say that the reason for taking legal advice was not because I want to have a dispute with you, but because I simply did not know what to do when I got your letter – I have no experience with these things personally, having never received anything like a lawyer’s letter before.
Keep in mind that this may not be the actual email as received. It likely is, but since it’s posted by a third party in a contentious situation, chances are that it may not be.