Help & Support

Find answers to common questions and troubleshoot issues with Mailtrap's Email API/SMTP service. Our comprehensive help resources are designed to get you back on track quickly.

Resources

Frequently Asked Questions

Browse our comprehensive FAQ section for quick answers to common questions about Email API/SMTP setup, integration, and best practices.

Troubleshooting Guide

Step-by-step solutions for common issues including authentication errors, domain configuration problems, and delivery issues.

Common Issues

Authentication & Access

• 401 Unauthorized Error - Fix API token and authentication issues

• Domain Not Allowed - Resolve domain verification problems

Email Delivery Issues

• From Header Mismatch - Fix sender address configuration

• SSL Cipher Error - Resolve SSL/TLS connection issues

• Office 365 Quarantine - Handle Microsoft email filtering

Getting Help

Self-Service Resources

1. Check the FAQs for quick answers

2. Review the Troubleshooting Guide

3. Search our documentation using the search bar

4. Check our API Reference

Contact Support

If you can't find the answer you need:

• Email: [email protected]

• Status Page: status.mailtrap.io

Before Contacting Support

Please have the following information ready:

• Your account email

• Error messages (exact wording)

• Request IDs from email logs

• Steps to reproduce the issue

• Screenshots if applicable

Quick Solutions

Can't send emails?

1. Verify your API token is correct

2. Check your sending domain is verified

3. Review your sending limits

4. Confirm your integration is properly configured

Emails not reaching inbox?

1. Check email logs for delivery status

2. Review bounce categorization for issues

3. Verify SPF, DKIM, and DMARC records

4. Check if recipients are on suppressions list

Integration issues?

1. Review the API integration guide

2. Check the SMTP integration guide

3. Test with Email Sandbox first

4. Use our API reference for detailed endpoints