To allow Sendloop to send emails on your behalf, you will have to add them to your SPF record. The SPF mechanism used by Sendloop is shown below.

include:sendloop-1.com

You can configure DKIM for your domain by creating a TXT value called s1._domainkey which contains the value provided on your Settings / Sender Domain Authentication page.

For more information please click the button below.

Create a free OnDMARC account to test your configuration.