This is a naming system for domains on the internet. Key terminology DNSĭNS stands for Domain Name System.

You are also explicitly showing your recipients that this email comes from you, so they are less likely to mark your mail as spam. Explicitly stating that it comes from you increases your reputation with email service providers which makes it much less likely that they will filter your mail and not allow it get to your recipient's inbox, which increases your deliverability. Email service providers distrust messages that don't have domain authentication set up because they can not be sure that the message comes from you. Your recipients will no longer see the “via ” message on your emails.Įven though this is a small change from your recipient's perspective, this change has a huge positive impact on your reputation as a sender and your email deliverability.

To give SendGrid permission, you point DNS entries from your DNS provider (like GoDaddy, Rackspace, or Cloudflare) to SendGrid. Domain authentication, formerly known as domain whitelabel, shows email providers that SendGrid has your permission to send emails on your behalf.

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