No help / getting send from one peron to the next

My e mail all of a sudden did not want to accept the password i have been using for years. I phoned vodacom to help, every person i spoke to told me a different story. I even got an IT person out to look at my settings, and all is fine. My password works on my cellphone, but not on my laptop. I cant reset my password as the vodamail site i need to go in just shows errors. I have been send for 2 days now from one person to the next.. getting numbers to phone, and then getting told by them to phone the same number again that reffered me to them. Or just get cut after explaining to 20 different people the same thing. We need our e mails for our business and cant get any help.