Downloader
An excellent open-source alternative for domain forwarding.
Copy the generated MX, SPF, DKIM, and TXT records provided by the service.
Start the server using a process manager like PM2 to keep it running continuously: npm start Use code with caution. How to Use It as a Temporary Email: create temporary email with custom domain
Most websites have caught on to services like @mailinator.com or @tempmail.com . They maintain blacklists of these domains. If you try to sign up with one, you’ll often get an error message saying, "Disposable emails are not allowed."
Ultimate Guide: How to Create a Temporary Email with a Custom Domain An excellent open-source alternative for domain forwarding
Open your browser and navigate to http://yourdomain.com:3000 . You will see a private, self-hosted temporary email interface. Any email sent to any username at your domain will instantly appear on this screen via WebSockets.
For a feature-rich, ready-to-run solution, consider self-hosting a platform like HloolMail . This open-source project allows you to build a multi-user anonymous email service on your own domain. It includes a web console, API, and CLI, and is designed for stability and automation. Similarly, OpenTrashmail provides a simple, catch-all system with a web interface and API, perfect for avoiding spam and testing, while giving you complete control over data retention. How to Use It as a Temporary Email:
Do not use your primary personal or business domain for temporary emails. If your temporary domain gets flagged for spam, it won’t hurt your critical communications.