You'll need to run sysdiagnose Mail and then get into Console app and perhaps Log Connection Activity by opening the Mail Connection Doctor and checking that option. If you're paranoid, export data like Contacts and Calendar to a stand alone export/backup before you take this step. You will want to delete anything that's synced to iCloud to let the system clear out data that depends on iCloud. Get a good backup before you delete content on the Mac. Sign out of iCloud on your Mac with your normal account. something is really wrong with the OS - this would be my last resort - make sure Gmail settings are clear at that point before backing up and wiping the Mac)Ĭ. If that doesn't work - your gmail is messed up or you need to reinstall the Mac from scratch (i.e. Try adding the mail account there from System Preferences - Internet Accounts Preference Pane Set up a brand new user account - with no iCloud and no Apple ID. I've been trying for a week now scanning trough every forum and tips and idea, I've deleted ALL account numerous times and adding only Gmail in internet Options both as the Google-link and as. Hi, Since upgrading to Sierra High 10.13.6 Gmail wont connect in Mail-app. Test Mail by enabling the account and then finally launching Mailī. Connections to the server on the default ports timed out.Add the account in - optionally test something other than mail first like a bogus calendar entry to check the account and google servers.

Quit Mail and make sure it doesn't launch when you log in.Write down your add/remove procedure and don't deviate from it. iCloud being messed up (and trying to sync your internet accounts) and corruption on the Mail settings and corruption in general in your user settings.Ī. Apple Mail is unable to move the message to the Trash mailbox. Yes - this can be caused by three things. The IMAP command UID COPY (to Deleted Messages) failed for the mailbox INBOX with server error: Failed to save copy of message.

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