Congratulations, your domain is now protected against impersonation attempts. As a bonus, a correctly configured domain also improves the deliverability of your emails. 

From now on, your domain is protected so new email sources that are not authorised to send emails on your behalf will be blocked by their receivers. When you want to add a new email service to send emails on your behalf, make sure to follow their instructions on how to setup SPF and DKIM correctly. All major CRM and bulk email services (i.e.: Sendgrid, Mailchimp, Drip, etc...) support these protocols so there should be no problem for you.

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