How to Fix a Hung or Crashed Mail.app Screenshot: OS X Lion Mail Import Screenshot: OS X Lion Mail Import Backgroundīesides the strange bugs that seem to have plagued Mail.app on Apple OS X from time to time over the last several generations of OS X, and, the matter of Gmail’s non-standard IMAP implementation, I’ve found something that seems to work for me, when Mail.app starts showing the spinner, indicating a hang or crash. Well, I found a fix that works for me anyway, and you might try it.
Have you been frustrated by Mac OS X Mail.app crashing or hanging? This happens to me from time to time, even though I keep OS X updated to the latest version.