[Evolution] can't send e-mail

[Monte Ohrt <monte ispi net>]

Hi,

Something happened yesterday and now I can't send any e-mail out of 
evolution. When I try to send it, I get a dialog box with this message:

Error while performing operation:
DATA termination response error: Requested action not taken: mailbox 
unavailable

Then the e-mail just stays in the outgoing mailbox.

At first I thought it was my mail account, but I am able to send/receive 
e-mail from other mail clients just fine. I also tried upgrading from 
1.2RC to 1.2, but it still doesn't work.

Did something get corrupted?

Monte