Robert Rosenberg3 wrote:
Apple mail is now putting many of my emails from known contacts into the Spam folder. This seems to be recurring but varies. I have the setting set to not do that. It wastes a lot of time to go through the Spam folder and find the occasionally important emails from known contacts there.
?
Are you referring to Apples "Junk" folder or you are using a third party "Spam" filter...?
If Junk mail is not working for you as expected—
If junk mail filters aren’t working in Mail on Mac - Apple Support
Change Junk Mail settings in Mail on Mac - Apple Support
Reduce junk mail in Mail on Mac - Apple Support
Further—
Mail advanced junk mail settings on Mac - Apple Support
Change Junk Mail Advanced settings in Mail on Mac - Apple Support
Identify and filter junk mail in iCloud - Apple Support
Report and reduce spam in iCloud Mail - Apple Support
Manage junk mail in Mail on iCloud.com
Manage junk mail in Mail on iCloud.com - Apple Support
If Junk mail is not working for you as expected with no resolve, you can turn it OFF in Mail>Settings...
You do have an option of installing a third party spam filter.. I have never had an issue using for ex.
https://c-command.com/spamsieve/