Hi,
I’ve usually seen this when quitting Mail too quick after either sending or
deleting messages in an iMap account, most often in a Gmail iMap account. Just
wait 10 to 15 seconds after doing these actions before quitting Mail and you
should be fine.
Later...
Tim Kilburn
Fort McMurray, AB C
Hello Ray,
This usually occurs because your connection to the Internet is either lost,
unstable, or extremely slow, causing the server connection to time-out.
The next time this happens, before closing Mail, Open Safari and see if it is
online.
It may also be time for you to reboot your Inte