Won't let me dlt emails

[aceplus97]

Says acc does not exist but I can see it and won't let me dlt it

 

[Gouri]

Says acc does not exist but I can see it and won't let me dlt it

Did you changed the domain. Then you can't control the mail ids which belongs to other domain.

Try to park the old domain then delete the mail IDs then remove the old domain.