WordPress plugin comparison

Checkmail validation for Contact Form 7 vs WP Mail SMTP by WPForms

Checkmail validation for Contact Form 7

by Paolo Rossi (Ipalo)

300+ installs4.1

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 300+ for Checkmail validation for Contact Form 7.
On a typical day, WP Mail SMTP by WPForms is downloaded about 38,840 times, Checkmail validation for Contact Form 7 about 5.
WP Mail SMTP by WPForms is rated higher: 4.8 out of 5 from 5,214 reviews, against 4.1 from 9 reviews.
WP Mail SMTP by WPForms was updated more recently: Oct 20, 2026, against Jul 11, 2012 for Checkmail validation for Contact Form 7.
WP Mail SMTP by WPForms is tested with a newer WordPress: 7.1.4, against 3.4.2 for Checkmail validation for Contact Form 7.
WP Mail SMTP by WPForms has been around longer: since 2007, against 2012 for Checkmail validation for Contact Form 7.

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

Metric	Checkmail validation for Contact Form 7	WP Mail SMTP by WPForms
Popular rank	#11,038	#12
Active installs	300+	4M+
Downloads, last 30 days	125	2.8M
Rating	4.1(9)	4.8(5.2K)
Support threads resolved	–	87%
Tested up to	3.4.2	7.1.4
Search multiplier	×0.00	×5.72
Last release	14 years 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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