Please describe the problem:
When there is a 'out of quota' message pending, the last evolution mail windown won't close. it looks like a dead lock.

Steps to reproduce:
1. Fulfill your IMAP mailbox
2. open evolution mail, check emails in the full mailbox
3. click at the status bar to read the 'out of quota' warning.
4. close all evolution windows, trying to quit.


Actual results:
The last evolution mail window won't close. everything in the window becomes grayed out.
If I opening a new mail window, the new window still works fine.

Expected results:
the last evolution mail window should be closed.

Does this happen every time?
Yes.

Other information:
evolution --force-shutdown can close the stalling window.