WP Mail SMTP by WPForms – The Most… vs PostmarkApp Email Integrator (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

WP Mail SMTP by WPForms – The Most…

WP Mail SMTP by WPForms – The Most…

4.8(5,089)

4.0M+ active installs

Free

Updated 4 months ago
View WP Mail SMTP by WPForms – The Most…
VS
PostmarkApp Email Integrator

PostmarkApp Email Integrator

5(4)

50 active installs

Free

Updated 1 week ago
View PostmarkApp Email Integrator

Quick Verdict

As of April 2026, PostmarkApp Email Integrator has a higher user rating (5/5 from 4 reviews) while WP Mail SMTP by WPForms – The Most… leads in active installations (4.0M+ vs 50). Both are free WordPress plugins. WP Mail SMTP by WPForms – The Most… has accumulated 76M+ total downloads while PostmarkApp Email Integrator has 2.7K+.

Detailed Comparison

Rating
4.8/5WP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integrator5/5
Total Reviews
5,089WP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integrator4
Active Installs
4.0M+WP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integrator50
Total Downloads
76M+WP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integrator2.7K+
Support Resolution
88%WP Mail SMTP by WPForms – The Most…
PostmarkApp Email IntegratorN/A
Last Updated
4 months agoWP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integrator1 week ago
First Released
2007WP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integrator2014
Age
19 yearsWP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integrator12 years
WP Requires
5.5+WP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integrator5.0+
PHP Requires
7.4+WP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integratorfalse+
Business Model
FreeWP Mail SMTP by WPForms – The Most…
PostmarkApp Email IntegratorFree
Latest Version
4.7.1WP Mail SMTP by WPForms – The Most…
PostmarkApp Email Integrator2.5.0

Rating Breakdown

WP Mail SMTP by WPForms – The Most…

4.8/5(5,089 reviews)
5
94%
4
1%
3
1%
2
1%
1
3%

PostmarkApp Email Integrator

5/5(4 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

WP Mail SMTP by WPForms – The Most… Reviews

by marenaso

Great plugin!

Easy to install and configure. Works like a charm!

by dome0013

Love it

easy and reliable

by janell12

Does the Job, Needs Improvement

WP Mail SMTP by WPForms works well for email delivery, with easy setup. However, it lacks some advanced features and customization. 4 stars! This topic was modified 2 days, 1 hour ago by janel

PostmarkApp Email Integrator Reviews

No reviews yet

Frequently Asked Questions

Is WP Mail SMTP by WPForms – The Most… or PostmarkApp Email Integrator more popular?
WP Mail SMTP by WPForms – The Most… has 4.0M+ active installations while PostmarkApp Email Integrator has 50. WP Mail SMTP by WPForms – The Most… is the more widely-used plugin as of April 2026.
Which has better ratings — WP Mail SMTP by WPForms – The Most… or PostmarkApp Email Integrator?
WP Mail SMTP by WPForms – The Most… has a 4.8/5 rating from 5,089 reviews, while PostmarkApp Email Integrator has a 5/5 rating from 4 reviews.
Are WP Mail SMTP by WPForms – The Most… and PostmarkApp Email Integrator free?
WP Mail SMTP by WPForms – The Most… is free and PostmarkApp Email Integrator is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WP Mail SMTP by WPForms – The Most… or PostmarkApp Email Integrator?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
WP Mail SMTP by WPForms – The Most… was last updated 4 months ago and PostmarkApp Email Integrator was last updated 1 week ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.