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Sender Authentication
Domain Authenticationis not a required step, however it is a highly suggested is a highly suggested to ensure successful email delivery. Domain authentication, formerly known as Domain Whitelabel, shows email providers that SendGrid has permission to send emails on behalf of the account. To give SendGrid permission, point DNS entries from the DNS provider (like GoDaddy, Rackspace, or Cloudflare) to SendGrid. Recipients will no longer see the “via sendgrid.net” message on incoming emails.
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