Worst after sale care

I placed an order last week Tuesday but forgot to update my delivery address. I sent an email later that night to have my error rectified as it didn't allow me on the customer portal. I received an sms saying my order has been cancelled so I saw no reason to call in. Later that afternoon I received an sms saying my order has been packed. I called the call center and told them that I needed to change my delivery address and they said I wasn't going to be able to so I'll have to tell the couriers when they call. I received emails from Leroy van Willingh and he notified me that they can't change delivery address and also the address that I wanted it delivered to was not on my profile. I sent an email on Thursday night requesting that since they can't change delivery address can they get the couriers to deliver before I leave for work because when I'm at work I don't have access to my phone until after my shift. Only to find that my emails were blocked and I delivery had failed. I tried to send another email and I received the same response, blocked. Zero customer service. Very good at calling and asking us to order but after sale care is non existent!