DKIM (DomainKeys Identified Mail) uses cryptographic signatures to help verify that emails are genuinely from your domain and haven’t been altered in transit. When enabled, it adds a digital signature to outgoing messages that recipients’ mail servers can validate using your published public DKIM key.
Mail Assure gives you two options for DKIM signing:
You can enable DKIM signing directly through the Mail Assure portal
Or you can continue signing emails on your own mail server (MTA), if it’s already configured to do so.
Tip: If your sending mail server is already signing emails with DKIM, there’s no need to enable DKIM signing in Mail Assure. Otherwise, follow the steps below to generate a Mail Assure DKIM key and publish it in your DNS
To update your DKIM record through Sendmarc, please refer to the Sendmarc DKIM Setup Documentation.
Mail Assure‘s official DKIM configuration guide can be found here.
Find out how to configure your Mail Assure DKIM Setup SPF settings here.