This article covers the SPF and DKIM authentication processes for ContactLab and how they are managed in Valimail. While only one of the two authentication methods is required for an email to pass DMARC, our recommendation is to configure both whenever possible.

To setup DKIM for your ContactLab emails, please get in touch with the ContactLab support team, here.

They will provide you with the 2048bit TXT DKIM key for your domain.

You can also find more information on the email deliverability practices for ContactLab, here.

You can find more detailed information on how to add a DKIM key in Valimail, here:

Once you establish that ContactLab is an authorized sender for your domain, you will need to add the service in your Enabled Senders.

You will find more detailed information on how to add a service for your domain in Valimail, here:

Note: We encourage you to use the comment section for any useful information about your sending service, such as the name of the service owner, change request ticket numbers, etc.