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WP Mail SMTP by WPForms – The Most… vs S/MIME Email Signing (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
S/MIME Email Signing

S/MIME Email Signing

0(0)

0 active installs

Free

Updated 7 months ago
View S/MIME Email Signing

Quick Verdict

As of April 2026, WP Mail SMTP by WPForms – The Most… has a higher user rating (4.8/5 from 5,089 reviews) and leads in active installations (4.0M+ vs 0). Both are free WordPress plugins. WP Mail SMTP by WPForms – The Most… has accumulated 76M+ total downloads while S/MIME Email Signing has 202.

Detailed Comparison

Rating
4.8/5WP Mail SMTP by WPForms – The Most…
◄
S/MIME Email SigningN/A
Total Reviews
5,089WP Mail SMTP by WPForms – The Most…
◄
S/MIME Email Signing0
Active Installs
4.0M+WP Mail SMTP by WPForms – The Most…
◄
S/MIME Email Signing0
Total Downloads
76M+WP Mail SMTP by WPForms – The Most…
◄
S/MIME Email Signing202
Support Resolution
88%WP Mail SMTP by WPForms – The Most…
S/MIME Email SigningN/A
Last Updated
4 months agoWP Mail SMTP by WPForms – The Most…
◄
S/MIME Email Signing7 months ago
First Released
2007WP Mail SMTP by WPForms – The Most…
S/MIME Email Signing2025
Age
19 yearsWP Mail SMTP by WPForms – The Most…
S/MIME Email Signing1 year
WP Requires
5.5+WP Mail SMTP by WPForms – The Most…
S/MIME Email Signing6.7+
PHP Requires
7.4+WP Mail SMTP by WPForms – The Most…
S/MIME Email Signing7.2+
Business Model
FreeWP Mail SMTP by WPForms – The Most…
S/MIME Email SigningFree
Latest Version
4.7.1WP Mail SMTP by WPForms – The Most…
S/MIME Email Signing1.0

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%

S/MIME Email Signing

0/5(0 reviews)
5
0%
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

S/MIME Email Signing Reviews

No reviews yet

Frequently Asked Questions

Is WP Mail SMTP by WPForms – The Most… or S/MIME Email Signing more popular?
WP Mail SMTP by WPForms – The Most… has 4.0M+ active installations while S/MIME Email Signing has 0. 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 S/MIME Email Signing?
WP Mail SMTP by WPForms – The Most… has a 4.8/5 rating from 5,089 reviews, while S/MIME Email Signing has a 0/5 rating from 0 reviews.
Are WP Mail SMTP by WPForms – The Most… and S/MIME Email Signing free?
WP Mail SMTP by WPForms – The Most… is free and S/MIME Email Signing 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 S/MIME Email Signing?
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 S/MIME Email Signing was last updated 7 months ago.

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