I received all the copies of my sent email, Has this issue been sorted yet?

I received all the copies of my sent email, Has this issue been sorted yet?

I received all the copies of my sent email, I am a new user in 2020. I Googled this subject and found tons of this kind of complaint.  I also saw a promise of improving from 8 years ago. Has it been sorted yet? Is anybody on this issue? 

Sam