It's now just Outlook Web Access
I've been unable to access my Exchange account from Outlook 2007 since yesterday. Funnily enough OWA is fine for me at the moment, but has been up and down - sometimes I can log in, sometimes I can't.
Here's what 1and1 had to say:
"We do apologize for the inconveniences. Recently we encountered some technical problem on our exchange servers but it is now being fixed. Please check again your account and let us know if the problem you have still exist."
Biting the hand that feeds IT
