Mail App

One can follow the very good advise from Previous posting regarding Etrecheck Application. Just remember to run in Full Disc Access mode

Though, there has been no mention as to below list of applications. Not important, they will show up in the Etrecheck Report if installed

Ad Guard installed or any the the below applications

All should be Removed as per Developers Instructions

This will include CleanMyMac 

This will include BitDefender 

This will included Norton Antivirus

Sophos Av Software

Intego AntiVirus

McAfee

MacKeeper

Avast AntiViru 

Ad Guard installed or any the the below applications

All should be Removed as per Developers Instructions

This will include CleanMyMac 

This will include BitDefender 

This will included Norton Antivirus

Sophos Av Software

Intego AntiVirus

McAfee

MacKeeper

Avast AntiViru 

Download and run this app so we can find more information about your installation.

https://etrecheck.com/upgrade

It shows what is launched and other information and is very useful in finding causes of problems. After you first launch the app make sure you check Enable full disk access in the box in lower left.

After running the app use the app's feature to paste to clipboard. Then paste it in the text box for a reply in this forum click on the addition text icon. This is because the normal reply text box limits how much you can type.

No personal identifiable information is contained if the app output. The app was written for a person who is contributor to these Apple Support Communities

Apple Mail >> Preferences and Privacy Tab and uncheck any or all Options in picture below.

Further, update Monterey to latest version 12.2.1

Interesting that people, in general, will download harmful applications, like those listed in earlier posting, but will not install a well known and reported that Etrecheck Application has been used by Apple Support to perform the same actions being suggest on this question.

Download Directly from the Developer will provide the More Robust version of said Application.

The version on the Apple Apps Store is hobbled by Apple and will not perform and proved a much more robust will of the Hardware and Software on this computer.

Even without the Listed Application installed - there are may other aspects of Software in play.

That is all up to the user to decide what is Best for their situation.