WordPress plugin comparison

PostmarkApp Email Integrator vs WP Mail SMTP by WPForms

PostmarkApp Email Integrator

by Gagan Deep Singh

50+ installs5.0

WP Mail SMTP by WPForms

by Syed Balkhi

4M+ installs4.8

At a glance

WP Mail SMTP by WPForms has more active installs: 4M+, against 50+ for PostmarkApp Email Integrator.
On a typical day, WP Mail SMTP by WPForms is downloaded about 40,526 times, PostmarkApp Email Integrator about 5.
PostmarkApp Email Integrator is rated higher: 5.0 out of 5 from 4 reviews, against 4.8 from 5,214 reviews.
WP Mail SMTP by WPForms was updated more recently: Oct 20, 2026, against Mar 23, 2026 for PostmarkApp Email Integrator.
WP Mail SMTP by WPForms is tested with a newer WordPress: 7.1.4, against 6.9.11 for PostmarkApp Email Integrator.
WP Mail SMTP by WPForms has been around longer: since 2007, against 2014 for PostmarkApp Email Integrator.

WP Mail SMTP by WPForms leads on 6 of 7 comparable lines.

Metric	PostmarkApp Email Integrator	WP Mail SMTP by WPForms
Popular rank	#20,539	#12
Active installs	50+	4M+
Downloads, last 30 days	149	2.9M
Rating	5.0(4)	4.8(5.2K)
Support threads resolved	–	83%
Tested up to	6.9.11	7.1.4
Search multiplier	×0.26	×5.61
Last release	7 months ago	21 days ago
Requires PHP	–	7.4

From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.

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