Subject: DELIVERY FAILURE: Error transferring to nyjinsmpll-i.us.DB.COM; SMTP Protocol Returned a Pe rmanent Error 550 5.1.1 User unknown From: mailer-daemon@db.com Date: Wed, 24 May 2017 09:30:15 -0400 To: Cynthia Rodriguez G > Your message Subject: RE: EMS/240517721746: Check referrals: - 1099(I] was not delivered to: because: Error transferring to nyjinsmpll-i.us.DB.COM; SMTP Protocol Returned a Permanent Error 550 5.1.1 < >... User unknown EFTA01399961