In my experience when I’ve encountered this kind of poor Mail behavior, attachments may be to blame. The first stop when you are having Mail problems is to Rebuild your Mailbox using the Mailbox>Rebuild command.ĭepending on how large your mailbox is this can take a while, but you can still make use of Mail while the operation takes place. Is Mail using waaaay too much memory? If the answer is ‘Yes’ then perhaps it’s time to try these strategies out: Start hereĭelete spam messages, delete deleted messages, delete messages you don’t need to keep and make sure your Mac is up to date with current system software. Launch Activity Monitor ( Command-Space and type Activity Monitor and it should launch immediately), and watch its data as you try to use Mail.
First, let’s take a quick look to confirm Mail really is the miscreant.
