Unable to add an email account: Already exists

Its for Helm/ Mail enable.

We need to remove the email account from the mail enable database sql query
SELECT ID, Account, SourceAddress, DestinationAddress, Scope, Status
FROM ADDRESS_MAP
WHERE (SourceAddress = '[SMTP:jc.lim@asia-angle.com]')

DELETE FROM ADDRESS_MAP WHERE (SourceAddress = '[SMTP:jc.lim@asia-angle.com]')
this need to excute in mssql

Now try to add the account again.