Postman SMTP’s development team works around the clock to improve the plugin daily. Still, the most significant contributions are made only when we receive feedback from our users, so on popular demand, we’re ready to launch Postman SMTP v2.2 with improvements, fixes, and new integrations.

Postman SMTP v2.2

What’s New


  • SSRF Prevention
  • SQL Warning Removed
  • MailGun SDK Updated to Latest Version
  • Compatibility with BackupBuddy added 


  • Multisite Plugin Update
  • Additional Headers were not saved properly in some cases

Compatibility with Postmark

Postmark is a cloud-based email management software designed to help businesses handle and streamline the delivery of emails. Supervisors can create transactional emails using customizable templates, track open click rates, and automatically receive notifications about invoice bounces.

Postmark Features

  • Transactional Email Delivery
  • Inbound Email Handling
  • Transactional Email Templates
  • Bounce Handing
  • Open Tracking
  • Link Tracking
  • 45 days of full content history for emails

How does it work with PostSMTP?

Compatibility with SparkPost

SparkPost is a cloud-based email analytics solution designed to help businesses of all sizes optimize email performance, deliverability, engagement, and more. The platform includes predictive intelligence technology, which allows marketers to gain insights into campaign health, engagement rate, and spam links to diagnose performance issues.

SparkPost Features

  • Template Creation
  • Detailed Server Logs
  • Notifications
  • Webhooks
  • Event Tracking API
  • Mail Send APISpam Filter Testing
  • Custom Tracking Domain
  • Multiple Domains
  • Sender Reputation Management
  • Tracking & Reporting
  • Enterprise Scalability
  • Performance and Reliability

How does it work with PostSMTP?


You can read the technical documentation or contact our support team for more information on the latest release.