CellC online is a ****

I have bought a cellphone online last week on the 9th of January 2020, the system threw an error immediately after the processing of the payment as a result i never got the ordernumber and all the relevent references to track my transaction. To make matters worse i have contacted cellc a couple of times with the issue and even sent through supporting documens from the bank that shows that indeed the transaction took place. A response i got yesterday is that people who are supposed to be helping me with the issue are not responding to emails sent to them and that means the call centre people have no idea if the appropriate people read the mails as there is no way of tracking the read mail option...

the emails i sent to ***,Cell C <***>,Onlinehelp <***> all have been read but none has been rep****( I know this because i have a tracker on my mails that shows when someone opened the email)