Email Service Providers (ESPs), like Gmail, Yahoo, and Hotmail, use DKIM and SPF authentication as a way to filter incoming emails for spam addresses. Emails that fail authentication are more likely to appear in a spam or junk folder.

Setting up custom domain authentication is optional for Rare users, as we already handle both SPF and DKIM authentication on behalf of our users.

However, you can setup up custom DKIM authentication for your domain, and add Rare to your SPF record - which will have the following benefits:

  1. For some email clients it may remove the default Rare authentication information "via raremail.io" that displays next to your campaign’s From name.
  2. It can help your campaigns arrive in your subscriber inboxes, rather than spam or junk folders.

Setup Custom Authentication

To set up authentication, you need to change some DNS records with your domain name provider. If you don't know who your DNS provider is, reach out to your hosting service.

Please contact our Success Team and they will provide you with the DNS records to enable custom DKIM & SPF authentication.

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