By default, Happy Birthday sends emails on your behalf using a shared sending domain. While this works well, you can improve deliverability and brand trust by sending from your own domain instead.
Why use a custom sending domain?
When customers receive a birthday email from your domain rather than a generic one, email providers like Gmail and Yahoo are more likely to deliver it to the inbox. A custom domain also looks more professional and familiar to your customers, reducing the chance they'll mark it as spam.
How does it work?
We set up a dedicated subdomain of your main domain (e.g. happybirthday.yourdomain.com) and configure it with the authentication records needed for reliable email delivery - SPF, DKIM, and DMARC.
Using a subdomain keeps things simple and safe. Your existing email setup on your main domain is completely unaffected, but your birthday emails will still appear to come from your main domain in the customer's inbox (e.g. [email protected]).
What do I need?
Setting this up requires someone on your team who has access to your DNS hosting provider (where your domain's records are managed) and is comfortable creating DNS records. We'll provide all the values, you just need to add them.
If you're not sure who manages your domain, check with your web developer or IT team.
Prefer to use your own email provider?
If you already send marketing emails through Klaviyo, Mailchimp, Omnisend, Brevo, or Shopify Email, Happy Birthday can send your birthday emails through those platforms instead. This means your birthday emails benefit from the domain and sender reputation you've already established. See our integration guides for more details:
Get started
To request a custom sending domain, get in touch with us via the chat widget. We'll walk you through the process and send you everything you need.