Standard Bank
Spammed by 10, 000 SMSes in 1 week (not a customer)
Congratulations, Standard Bank, you've won. After receiving 10, 000 SMSes in one week (more than one a minute) and no progress report (it took you nearly a week to classify the problem as a technical problem) I have given up. Lyttelton Police Station does not wish to open a case of harassment ...