The most common way to handle temporary emails via a custom domain is by setting up a alias. This tells your mail server to accept any email sent to @yourdomain.com , regardless of whether a specific inbox exists for it. Step-by-Step Setup:

While not strictly "temporary" services, you can use a free tier from a professional provider to manage burners. Zoho Mail (Forever Free Plan)

Use "Folders" or "Labels" in your main Gmail/Outlook account to automatically filter mail coming from your custom domain so it doesn't clutter your primary feed. Conclusion

In this guide, we’ll explore why this matters and how you can set it up yourself.

Set the destination to your primary personal email (e.g., Gmail). Now, if you sign up for a site using anyword@yourdomain.com , it lands in your real inbox.