Test Your Emails Before They Hit Inboxes

Ensure maximum deliverability and inbox placement with real-time email testing and scoring.

Test Your Email Deliverability
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Send your email to the test email address to get started.

Real-time Testing
ISP Simulation
Smart Analytics

Email Deliverability is Complex. We Make it Simple.

Stop guessing about your email deliverability. Test, analyze, and optimize your emails before sending.

Spam Triggers

Hidden content issues that hurt deliverability

Authentication Gaps

SPF, DKIM, and DMARC misconfigurations

ISP Filtering

Complex filtering rules across providers

MailTester Solves This:

Real-time Testing
ISP Filter Simulation
Smart Analytics

The Complete Email Testing Suite you've been looking for


Real-time Testing

ISP Simulation

Auth Analysis

Content Analysis

Reputation Monitoring

Smart Alerts

Key Features

Test and optimize your emails with powerful tools designed for marketers and developers.

Real-time Testing

Test emails instantly and get immediate deliverability scores.

ISP Simulation

Test against major email providers' filtering systems.

Auth Analysis

Verify SPF, DKIM, and DMARC configurations.

Smart Analytics

Track and improve sender reputation over time.

Simple, Transparent Pricing

Choose the plan that fits your email testing needs. All prices in USD.

Free
$0/mo

Perfect for testing

  • 5 Tests/Day
  • Basic SPF/DKIM Check
  • Basic Content Analysis
  • Email Support
Start Free
One-Time
$5-$30

Choose your test pack

  • 15 Tests
  • 50 Tests Save 10%
  • 100 Tests Save 20%
  • Authentication Suite
  • Content Analysis
  • Reputation Monitoring
  • Email Support
Starter
$29/mo

$320/year (save 8%)

  • 50 Tests/Day
  • $0.10 per extra test
  • Authentication Suite
  • Content Analysis
  • Reputation Monitoring
  • Email Support
Get Started
Best Value
Business
$119/mo

$1,570/year (save 12%)

  • 1,000 Tests/Day
  • $0.05 per extra test
  • Authentication Suite
  • Content Analysis
  • Reputation Monitoring
  • 24/7 Support
  • Team Members
Get Started
Enterprise
Custom

For high-volume senders

  • Unlimited Tests
  • Authentication Analysis
  • Analytics Suite
  • Custom ISP Profiles
  • 24/7 Support
  • Team Members
  • Custom Integrations
  • White-Label
  • Deliverability Insights
  • Account Manager
  • SLA Guarantee
Contact Sales
Why choose Starter?

Perfect for growing businesses that need reliable email testing without breaking the bank. With 50 tests per day and comprehensive authentication checks, you'll catch deliverability issues before they impact your campaigns. The advanced content analysis and weekly reputation reports help you maintain high inbox placement rates, while the basic API access lets you integrate testing into your workflow.

Who is Business for?

Ideal for organizations with dedicated email teams that need advanced features and collaboration tools. With 1,000 tests per day, real-time reputation monitoring, and support for up to 10 team members, you can optimize your email deliverability confidently. Our comprehensive email best practices guide and custom onboarding help teams maintain high inbox placement rates across multiple brands or high-volume sending.

Trusted by Email Teams Worldwide

Sarah Martinez
Email Marketing Director @ GrowthLabs

"MailTester has been a game-changer for our email campaigns. We've seen a 40% improvement in inbox placement rates since implementing their pre-flight testing. The content analysis feature alone has saved us from countless spam folder placements."

Michael Chen
DevOps Engineer @ TechFlow

"As a developer managing transactional emails, MailTester's authentication analysis has been invaluable. We caught SPF and DKIM misconfigurations early, and their API integration made it easy to automate testing in our CI/CD pipeline."

Lisa Thompson
IT Security Manager @ SecureCorp

"The ISP simulation feature helps us maintain our sender reputation across major providers. We've reduced our bounce rates by 60% and improved our domain's deliverability score significantly. The detailed reports make it easy to explain issues to stakeholders."

10K+

Emails Tested Daily

98%

Average Inbox Placement

99.9%

Uptime

24/7

Support

Frequently Asked Questions

MailTester.app is a SaaS platform that provides automated, real-time testing and scoring of outbound emails to ensure maximum deliverability and inbox placement.
MailTester improves email deliverability through:
  • Real-time testing
  • ISP simulation
  • Authentication analysis
  • Content analysis
  • Reputation monitoring
MailTester supports all major environments including:
  • Development
  • Staging
  • Production
  • Any email server with email authentication protocols
  • Cloud and on-premise deployments
MailTester uses advanced analytics to verify SPF, DKIM, and DMARC email authentication protocols. Our platform analyzes email headers and provides detailed insights to improve email deliverability, helping you maintain optimal inbox placement rates.
Yes! We offer a comprehensive free tier that allows you to try all our email testing features. This gives you plenty of time to evaluate our platform and see how it can improve your email deliverability.

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