EDIT: The problem should be resolved. If you are still getting an error with bad username/password, please clear your cache. If you are still having issues logging in, please contact us at 858 534 2267.
We are getting multiple calls and emails about issues with logging into emails through acs-webmail.ucsd.edu. We encountered a problem with multiple accounts, causing them to be suspended. We are currently working on the problem right now and it should be resolved by 9am. Please call us at 858 534 2267 if you are still having this problem after 9am.
Sorry for any inconvenience!