From this page you can configure DKIM signature for outbound messages, DMARC reporting and ARC trusted domains.
DKIM Signing
DKIM (DomainKeys Identified Mail) is a method for email authentication, allowing a person who receives email to verify that the message actually comes from the domain that it claims to have come from.
The DKIM signing service is inactive by default. You can active it by clicking on the Enable green button.
For each Relay you can configure a Public key, stating its DNS Selector and Key size, used to sign outbound messages.
All the existing DKIM Keys configured are listed in the table. You can filter out results by performing a Search and Export the results in common shareable formats such as CSV and PDF.
To configure the DKIM signing for a new relay you can follow the DKIM Configuration guide.
To remove a key from the table you can select it and click the Delete button on the toolbar.
Note: if you want to disable the DKIM signing for a relay, you can simply set the Status parameter of the record to Disabled.
DMARC Reporting
From the second tab of the page you can enable or disable the DMARC aggregate reports generation for all domains which ask for it. To enable the reports generation you have to set the Aggregate reports value to Enabled and click on the Save & Apply button.
ARC Signature
From this page you can configure a list of allowed domains for which ARC signature headers are trusted.
To add an allowed domain you have to click the New button and type the domain in the dialog that appears. You remove one or more allowed domains you can select them and click the Delete button. You can also Export in common shareable formats like PDF and CSV the allowed domains list.
Note: remember to click the Apply Settings button on the toolbar after every edit of this table.