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My Mail App shuts down as soon as I open it.

I don't even know where to start to try and fix it. There are no system updates available.


iMac 21.5″, OS X 10.11

Posted on Aug 24, 2020 6:00 PM

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Question marked as Top-ranking reply

Posted on Aug 24, 2020 6:19 PM

Safe Boot from the HD, (holding Shift key down at startup), does the problem occur in Safe Mode?


Safe mode attempts to repair Disks & clears lots of caches, so if Safe Mode works try again in regular boot.


If still no good Disconnect from the Internet, then start Mail, look for the last rec'd eMail.


Does Mail crash if no internet?


Quit Mail & login to your WebMail in a Browser, if possible delete any later eMails there after the last rec'd one on the Mac.


If you have no POP accounts & they’re all IMAP accounts then in Mail’s Mailbox menu choose Rebuild.

3 replies
Question marked as Top-ranking reply

Aug 24, 2020 6:19 PM in response to Bigcatblue

Safe Boot from the HD, (holding Shift key down at startup), does the problem occur in Safe Mode?


Safe mode attempts to repair Disks & clears lots of caches, so if Safe Mode works try again in regular boot.


If still no good Disconnect from the Internet, then start Mail, look for the last rec'd eMail.


Does Mail crash if no internet?


Quit Mail & login to your WebMail in a Browser, if possible delete any later eMails there after the last rec'd one on the Mac.


If you have no POP accounts & they’re all IMAP accounts then in Mail’s Mailbox menu choose Rebuild.

My Mail App shuts down as soon as I open it.

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