Yahoo! Inc. (NASDAQ:YHOO)’s email system is causing headaches for many users today, as they’re reporting that the service has gone down. Reports of problems with Yahoo Mail are sporadic, however, as some users of sites like DownDetector.com say that Yahoo Mail came back up within the last few minutes, while others say the service is still down.

Yahoo! Email Down For Many Users

Unsurprisingly, Yahoo Mail users took to Twitter to complain about the service being down. Others said the service has already come back up for them.

CNBC reports that a Yahoo spokesperson said they are aware that some users of Yahoo Mail are experiencing problems logging in. The spokesperson also said they’re working on resolving the problem.