DebugMail
A fake SMTP server for developers to test and debug emails without sending them to real users.
| What is it | A fake SMTP server for developers to test and debug emails without sending them to real users. |
|---|---|
| Pricing | Freemium — from $2/mo |
| Free tier | Yes |
| Platform | Web Application |
| API | Yes |
| Best for | Testing email functionality during application development, Debugging email templates and content before production |
| Domain registered | 2013 |
Data updated Aug. 1, 2026
What does DebugMail do?
DebugMail is a specialized tool that provides a fake SMTP server for developers. It intercepts emails sent from development and testing environments, preventing them from reaching actual users while allowing developers to inspect every aspect of the email delivery process. This eliminates the risk of accidentally spamming customers during development cycles and removes the need to set up complex local email servers for testing purposes.
The service works by providing unique SMTP credentials for each project. Developers configure their applications to use DebugMail's server instead of a production email service. When an application sends an email, DebugMail captures it and displays it in a web interface where developers can view the HTML and plain text versions, examine headers, and check delivery status. The platform supports team collaboration by allowing multiple developers to access the same project's email stream, and it includes features like email downloading and forwarding capabilities.
DebugMail is particularly valuable for development teams working on applications that send transactional emails, newsletters, or notification systems. It helps developers verify that their email templates render correctly across different clients, test email functionality across multiple environments, and collaborate effectively when debugging email-related issues. The tool supports various programming frameworks including .NET, Node.js, PHP, Python, and Ruby, making it accessible to developers regardless of their technology stack.
Key features
What makes it stand outWho is DebugMail for?
Who benefits most from this toolPricing
Free tier available — start without a credit cardFree
- 1 projects
- 2 team members
- 10MB per team mailbox storage
- 1 forwarding emails per day
- 1 Project
- 2 Team Members
- Unlimited Test Emails per Day
- 1 Forwarding Email per Day
- 10MB per team Mailbox Storage
Silver
- 10 projects
- 20 team members
- 1GB per team mailbox storage
- 100 forwarding emails per day
- 1 forwarding rules per project
- 10 Projects
- 20 Team Members
- Unlimited Test Emails per Day
- 100 Forwarding Emails per Day
- 1GB per team Mailbox Storage
- 1 Forwarding Rule per project
- IMAP (Soon)
- REST API
Gold
- unlimited projects
- unlimited team members
- 5GB per team mailbox storage
- unlimited forwarding emails per day
- 20 forwarding rules per project
- Unlimited Projects
- Unlimited Team Members
- Unlimited Test Emails per Day
- Unlimited Forwarding Emails per Day
- 5GB per team Mailbox Storage
- 20 Forwarding Rules per project
- IMAP (Soon)
- REST API
- Spam Rating (Soon)
- Mail Client Viewer (Soon)
Trust & presence
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