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Mail "On My Mac" & Smart Mailboxes have issues with MacOS 10.15.6 Upgrade.

After I set up Smart Mailboxes following an upgrade to MacOS 10.15.6 and quit Mail, the Smart Mailboxes disappear when Mail restarts. I also cannot re-import saved mbox files to mail "On My Mac" folders because Mail locks up. Anyone else having these issues?

iMac 27″ 5K, macOS 10.15

Posted on Aug 22, 2020 6:25 AM

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Posted on Aug 22, 2020 7:51 AM

Tried restarting in Safe Mode and got the same failures. Then I reloaded MacOS and all of my Smart Mailboxes and those "On My Mac" magically reappeared. Go figure!!!!!

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Mail "On My Mac" & Smart Mailboxes have issues with MacOS 10.15.6 Upgrade.

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