"If you want, you can switch an existing SpamSieve installation (on macOS 10.11 or later) from Spam to Junk "
I did this. Now can I delete the Spam folders?
"If you want, you can switch an existing SpamSieve installation (on macOS 10.11 or later) from Spam to Junk "
I did this. Now can I delete the Spam folders?
Yes.