DKIM or DomainKeys Identified Mail is an authentication protocol used to validate the identity of a sender. It’s an important tool for preventing email spoofing, which is when a person impersonates another user and sends emails with their name and address. DKIM Key works by using an OpenDKIM or Domain Key to sign each message … Continue reading A Step-by-Step Guide to Installing OpenDKIM with Postfix on Ubuntu – Unleash the Power of DKIM!