Mailtrap
A sandbox for testing email, plus real transactional sending.
What it is
Its Email Sandbox captures development emails in a fake inbox so you can review them without risking real sends to customers, with spam analysis and HTML preview. It also offers production sending.
Best for
Seeing how an email looks before it goes to real users.
What the free plan includes
- 4,000 emails per month
- Maximum 150 sends per day
- Test sandbox with limited retention
Free plans change often. Confirm the limits on the official page before deciding.
