OpenAI
Perplexity
Post SMTP is always working to provide ease to our users. Over the past several months, we worked hard to provide a greater selection of SMTP mailers on our plugin. We are happy to see that our users have loved the new mailer integrations.
As we move to 2026, we wanted to give you a BIG surprise.
Mailtrap is here! 🥳
The highlight of this update is the addition of Mailtrap, a comprehensive email delivery platform designed for developers and WordPress site owners who demand reliable, fast, and authenticated email sending.
Mailtrap is a trusted email delivery platform with 15 years of proven experience and thousands of satisfied users worldwide. Now, it is available to all our users.
Why do people love Mailtrap? 💌
Email deliverability is critical for every WordPress site, from order receipts and password resets to form submissions and client notifications. Mailtrap brings enterprise-grade email delivery to WordPress users through Post SMTP, ensuring your messages reach the inbox on time, every time.
Here are 5 reasons why you’ll love Mailtrap:
- Fast Delivery Speed: Emails are delivered in seconds, which is especially valuable for WooCommerce stores, membership sites, and contact form notifications.
- Optimized for Deliverability: Mailtrap offers strong authentication with SPF, DKIM, and DMARC support, giving your emails a better chance of landing in inboxes instead of spam folders.
- Advanced Analytics & Monitoring: Mailtrap provides detailed logs, dashboards, and actionable analytics with daily and weekly deliverability alerts for up to 60 days.
- Generous Free Tier: You get up to 3,500 free emails monthly with no credit card required, making it ideal for small sites and testing.
- Business-Friendly: Quick API-based integration with Post SMTP that can be completed within a few minutes.
- Separate Sending Streams: Dedicated streams for transactional and bulk emails ensure optimal deliverability for different email types.
How to use Mailtrap? 🖇️
It’s easy. Choose it directly from the Setup Wizard, connect your credentials, and start sending emails in just a few minutes—no complex setup required.
👉 For more details, check out our detailed step-by-step documentation on Mailtrap SMTP Integration.
Plus, a few fixes! 🔧
Here’s a list of issues we have fixed to make Post SMTP better:
- Fixed PHPMailerException Conflict: The fix ensures compatibility across different WordPress versions and hosting configurations without class collision errors.
- Fixed QRcode Method Error: The OAuth 2.0 configuration wizard now works smoothly when generating QR codes for mobile app setup, allowing users to complete their secure authentication setup without interruption.
- Fixed Emailit “From Name” Issue: Both the sender name and email address are now properly included in all outbound transactional emails sent via Emailit, improving email professionalism and recipient trust.
Update to Post SMTP v3.7.0 Today ✨
With Mailtrap integration (and a few fixes), Post SMTP v3.7.0 is ready to make your 2026 great when it comes to sending transactional emails through WordPress.
If your website depends on transactional or marketing emails, this is an update worth installing right away. You’ll gain access to a powerful new mailer and a cleaner, faster way to manage your email sending.
👉 Head to your WordPress dashboard and update to Post SMTP v3.7.0 today.
Want to read something cool after this? Here’s an insightful post about email deliverability.
