Are you an email marketer struggling to understand the purpose and importance of authentication in email deliverability? You’re not alone.
Many types of transactions require authentication. Whether you’re a patient needing treatment, a driver needing a license, a customer paying with a credit card, or a passenger boarding an airplane – in order to proceed, you must prove that you are who you say you are. You provide a passport, proof of health insurance, a Social Security card, or some other form of identification to prove that the name on the appointment, credit card, or airline ticket, really belongs to you.
The world of deliverability works the same. In order to get through the gates of ISP filters, you need to prove that you are a legitimate sender. You need to show that you are not sending on behalf of someone else, and that your identity has not been compromised. How do you prove this? By utilizing SPF, DKIM, and DMARC.
What Are DMARC,...