High Sierra 10.13 - Mail app many problems

Since I upgraded to 10.13 the Apple Mail App Version 11.0 (3441.0.1) creates constant propblems. It did not get any better with Beta 4.


I have a big IMAP account (50.000 mails). After starting the app, it sync my mails and I see the new mails, so far o.k.. But:

The mail App thereafter stops communication with that large IMAP account. It does not retrieve new mails, it does not delete mails and does not send Mails.
I have to quit and restart the Mail App to send my mails from the que and to receive new mails.

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BarryLeslie
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I'm also having Mail issues in10.13 Beta (17A362a). I am able to receive mail, but unable to move it successfully to folders or trash.

Posted by
TomSipe
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I also can't move mail to trash. I can do it when I close mail. I get this message when i try to move it.....

The IMAP command “UID COPY” (to Trash) failed for the mailbox “INBOX” with server error: UID COPY Command is not valid in this state.

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mujr
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