I have a few accounts configured in Mail on macOS 10.15.2. I want to change these three settings:

  • "Download Attachements" to all
  • "Delete spam"(*) to never
  • "Delete permanently"(*) to never

Now, this works fine for my iCloud account and all my IMAP accounts. Unfortunately this doesn't work for all three Exchange accounts.

I change the settings and after a few seconds they switch back to their previous values, like after a month.

Is this an issue in 10.15? On my previous system with 10.13 it worked fine.

(*) My system is in German, so I don't know the actual translation. If somebody could update the wording, that would be great. Thanks.

  • 1
    All Exchange data is kept on the server so deleting and re-adding the account with the desired settings is worth trying. It is also possible that your Exchange admin has disallowed those options, meaning you can't change those settings. – Steve Chambers Jan 9 '20 at 13:53
  • @SteveChambers Thanks for your feedback. We checked. There are no user adjustable settings in a company's Office 365 and a personal Outlook address for these three options unfortunately. – lampshade Jan 13 '20 at 13:22

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