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Mailtrap

Mailtrap

Email Testing and Delivery Platform for Developers

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Last Updated:11/25/2025
Pricing:
FreemiumSubscription
Category:
Email Testing & DevelopmentEmail Deliverability
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What is Mailtrap

Mailtrap is a dual-purpose email platform. First, it offers Email Sandbox, which acts as a fake email server that captures all test emails from your development or staging environment. You can inspect every detail of these emails without sending them to real people. This prevents accidental emails to customers during testing.

Second, Mailtrap provides Email API and SMTP service for sending real emails to your users once testing is complete. This includes transactional emails like password resets and promotional campaigns. The platform gives you detailed tracking, showing delivery rates, opens, clicks, and bounces.

Mailtrap supports all major programming languages and frameworks through ready-made code snippets, making integration quick and straightforward for any development team.

Features of Mailtrap

  • Safe email testing with sandbox environment

  • Email API and SMTP for sending real emails

  • HTML validation across email clients

  • Spam score checking before sending

  • Automated testing through API integration

  • Team sharing and collaboration tools

  • Multiple sandbox inboxes for different projects

  • Detailed delivery and engagement analytics

  • Support for all programming languages

  • Email template management and storage

Mailtrap Pricing

Email API/SMTP - Free
Free
  • 3,500 emails per month
  • 150 emails per day
  • 1 domain
  • 3 days of email logs
  • 1 user
Email API/SMTP - Basic
$15/mo
  • 10,000 emails per month
  • 5 domains
  • 3 users
  • 5 days of email logs
  • No dedicated IP
Most Popular
Email API/SMTP - Business
$85/mo
  • 100,000 emails per month
  • 3,000 domains
  • 1,000 users
  • 15 days of email logs
  • Dedicated IP included
  • Advanced analytics
Email API/SMTP - Enterprise
$750/mo
  • 1,500,000 emails per month
  • 1,000 users
  • 30 days of email logs
  • Free migration support
  • Priority support
  • Dedicated IP
  • Custom requirements available
Email Sandbox - Free
Free
  • 50 test emails per month
  • 1 user
  • 1 sandbox
  • 10 emails per sandbox
  • No sandbox email address
Email Sandbox - Basic
$17/mo
  • 500 test emails per month
  • 3 users
  • 50 emails per sandbox
  • 100 forwarded emails per month
  • No chat support
Email Sandbox - Team
$42/mo
  • 5,000 test emails per month
  • 5 users
  • 5 sandboxes
  • Priority support
  • Chat support included
Most Popular
Email Sandbox - Business
$123/mo
  • 50,000 test emails per month
  • 50 users
  • 50 sandboxes
  • 2,000 forwarded emails per month
  • No SSO
  • Priority support
Email Sandbox - Enterprise
$498/mo
  • 5,000,000 test emails per month
  • 1,000 users
  • 300 sandboxes
  • SSO included
  • Priority support
  • Advanced API access
  • Custom integrations

Mailtrap Use Cases

FAQ's About Mailtrap

Yes, Mailtrap offers free plans for both Email Sandbox (50 test emails/month) and Email API/SMTP (3,500 emails/month). These are perfect for individual developers and small projects. Paid plans start at $15-17/month with more emails, features, and team collaboration tools.
Mailtrap combines email testing and sending in one platform. The Email Sandbox captures test emails safely so they never reach real users, while the Email API lets you send production emails with high delivery rates. Most services only offer one or the other, not both.
Yes, Mailtrap works with any language that supports SMTP or HTTP requests. The platform provides ready-made code snippets for popular languages including PHP, Python, Ruby, Node.js, Java, C#, and frameworks like Laravel, Django, Rails, and Express.
When you reach your plan limit, you will receive notifications at 80%, 90%, and 100% usage. For Email API/SMTP, sending stops until you upgrade or wait for the next billing cycle. For Email Sandbox, testing stops until you upgrade your plan.
Yes, Mailtrap provides tools to improve delivery including spam score checking, HTML validation across email clients, dedicated IP addresses on higher plans, and detailed analytics showing which mailbox providers accept or reject your emails so you can optimize accordingly.
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