Banking standards here in the EU impose a 13 months period during which the sender (order sender) can ask for a full refund. Check your local rules. This has to be talked about with the respective banks involved (that of your client + the one that received payment), as I believe you can't do anything anymore.
Next time, use more than one communication channel (Facebook, phone, signal, telegram, whatsapp... anything, really)
You should also see with your domain registrar and mail provider what happened.
Next time, use more than one communication channel (Facebook, phone, signal, telegram, whatsapp... anything, really)
You should also see with your domain registrar and mail provider what happened.