my clients TNT is not working
primealternatives.com.au
Error: TNT : Username and password combination is incorrect.

TNT says our credentials or authentication are correct, we have been using if for years with no problems.
here is the email TNT sent me

Quote Originally Posted by CIT Service Desk
Hello Michael,

There doesnt seem to be anything wrong with the username or the account on our end.

If your web team cannot find the issue, could you please kindly send us the code you are using so our team can have a look at it.

Regards,
CIT Service Desk
TNT Express
If you want any more info or access let me know.