To changeSpectrum email settings, you are supposed to follow and apply few important instructions. And to change it, you are supposed to select sign and then you are supposed to select sign in and then go to security info which is located on the right. Now, you are supposed to select manage and then you should simply update your password r security question and then you should select save button. Once you do follow and apply the steps, you would be able to resolve and fix technical snags. Check out the steps to know more about the same. You can have a look at the steps.