Delivery Status Notification (Failure)

Address not found Your message wasn't delivered to syiera_insyirah@yahoo.com because the address couldn't be found. Check for typos or unnecessary spaces and try again.

The response was: 554 delivery error: dd This user doesn't have a yahoo.com account (syiera_insyirah@yahoo.com) [-5] - mta1454.mail.gq1.yahoo.com