Authentication is a set of email standards that help get your emails delivered to your subscribers' inboxes. Each authentication method provides a means to communicate to receiving email servers that your emails are authorized by your brand and are not malicious. We highly recommend setting up authentication on your sending domain early to avoid any potential deliverability issues that may arise.
To authenticate your domain, please see the resources below.
DKIM Instructions and FAQ
SPF Instructions and FAQ
Yahoo Feedback Loop Setup
Authentication setup will require a site level administrator for your account to be involved as well as your DNS Manager or IT department.
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