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Enabling email authentication for your domain

In general, Direct Mail handles email authentication for you automatically when you send using e3 Delivery Service. However, if you would like to authenticate your Direct Mail email campaigns using your own domain name reputation, that is no problem. Here's how:

  1. Open Direct Mail
  2. Choose Direct Mail > Direct Mail Account from the menu bar at the top of the screen
  3. Scroll down to the "Email Authentication" section and click Show
  4. Enter the domain name you'd like to authenticate. For example, if you were sending from, you would enter
  5. Click Enable Authentication and follow the on-screen instructions that guide you through setting up two DNS records. You may find it helpful to copy and paste the instructions into a message to your IT person (if applicable).

After the DNS changes have taken effect (sometimes can take up to 24 hours), our servers will automatically detect the new settings and begin signing with your DKIM key.

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