Unable to delete a email account

Using your Cpanel you can not delete a particular email account [cpanel >> mail >> Email Accounts]
Error:-
The e-mail address user@yourdomain.com deleted successfully.Sorry, you do not have access to the domain yourdomain.com

Delete the entries from
1. vi /home/ajeeshc/etc/ajeesh.com/passwd
ajeesh:x:506:503::/home/ajeeshc/mail/ajeesh.com/ajeesh:/bin/bash --> for ajeesh@ajeesh.com
2. vi /home/ajeeshc/etc/ajeesh.com/shadow
3. vi /home/ajeeshc/.cpanel/email_accounts.yaml

ajeesh:
diskquota: 262144000
diskused: 0
mtime: '1285469016' -->
4. rm -rf /home/ajeeshc/mail/ajeesh.com/ajeesh/