As of now 4:20 EST time, since about 3:40pm GMAIL is Down.

Taken from the status page.

We’re aware of a problem with Google Mail affecting a majority of users. The affected users are unable to access Google Mail. We will provide an update by September 1, 2009 4:53:00 PM UTC-4 detailing when we expect to resolve the problem. Please note that this resolution time is an estimate and may change.

Technorati Tags: 2009, down, gmail, offline, sept