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You may receive a 403 error with the following message when trying to send emails: 
You can only send testing emails to your own email address ([email protected]).
To send emails to other recipients, please verify a domain at emailr.dev/domains, and change
the `from` address to an email using this domain.

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The Problem

You’re using the default emailr.dev domain while sending to email addresses other than your own. Example scenario:
  • Your API request uses from: '[email protected]'
  • You’re trying to send to recipients other than your own email address

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Why This Happens

The emailr.dev domain is only available for testing purposes and can only send emails to the email address associated with your Emailr account. This restriction helps protect domain reputation and ensures proper email deliverability.

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Solution

To send emails to recipients other than your own email address, you need to add and verify your own domain in Emailr:
  1. Go to the Domains page in your Emailr dashboard
  2. Click Add Domain
  3. Enter your domain name
  4. Follow the verification steps to add the required DNS records
  5. Once verified, update your API request to use your verified domain
For detailed instructions on verifying your domain, check out our domain verification guide or the DNS guide for your specific provider.

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Still Having Issues?

If you’ve verified your domain and updated your API request but you’re still getting a 403 error:
  1. Verify that your domain is fully verified in the Emailr Domains page.
  2. Ensure the domain in your API request’s from field uses your verified domain (not emailr.dev).
  3. Make sure you’re not trying to send to your own email address when using emailr.dev.
  4. Contact Emailr support with details about your error.