Ground rent admin charges (Simarc)

Hello everybody, i'm having a similar issue with Simarc; interestingly they quoted the same rhetoric to me about that court case from another thread "CAM/00KG/LVA/2013/0001" My situation is that i filled out their online form and gave my email address; in so doing I apparently agreed to receive future GR notifications by email. I left my company and forgot to update the email address (my bad); they sent the GR demand for 125 and clearly it bounced back as i didnt exist any more. They did no

Thanks for the replies everyone, if I can prove the email address bounces back, is it their responsibility to subsequently write to me? The email address definitely bounces back so they will have received a 'return to sender' response. They send lease extension fee mandates by post so they know how to contact me I've attached the lease details from when i bought the place and also the last copy of a ground rent demand i had from 2y ago. Nowhere that I can see (including s13.1 of the