My mail won't open or close and I can't shut down my mac

So, what Mac do you have, with what version of OS X?

Same here. It's always been a flaky app. Macbook pro early 2011 everything is up to date

Same here.

Can't be. This forum covers pre-2006 iMacs; MacBook Pros have a completely different architecture and therefore different issues. For Mail problems, the best place to post is in the forum for your OSX version from the list here:

Mac OS & System Software

BTW, my wife and I both use Apple mail and have not had any issues from about OSX 10.6 on. Admittedly, when Mail was introduced with OSX thirteen years ago, it had some real problems, but they seem to have been fixed.

Apologies for posting here. Will delete post. Nonetheless I'm still having issues with mail (obviously others as well) and, although occasionally, always have. Glad you and your wife have always been good with it, for whatever that is worth.