Site Mailer – SMTP Replacement, Email… vs Solid Mail – SMTP email and logging… (2026)

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

Site Mailer – SMTP Replacement, Email…

Site Mailer – SMTP Replacement, Email…

2.2(14)

200K+ active installs

Free

Updated 1 month ago
View Site Mailer – SMTP Replacement, Email…
VS
Solid Mail – SMTP email and logging…

Solid Mail – SMTP email and logging…

4.2(52)

70K+ active installs

Free

Updated 1 month ago
View Solid Mail – SMTP email and logging…

Quick Verdict

As of April 2026, Solid Mail – SMTP email and logging… has a higher user rating (4.2/5 from 52 reviews) while Site Mailer – SMTP Replacement, Email… leads in active installations (200K+ vs 70K+). Both are free WordPress plugins. Site Mailer – SMTP Replacement, Email… has accumulated 1.8M+ total downloads while Solid Mail – SMTP email and logging… has 1.2M+. Site Mailer – SMTP Replacement, Email… has a higher support resolution rate (100% vs 0%).

Detailed Comparison

Rating
2.2/5Site Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…4.2/5
Total Reviews
14Site Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…52
Active Installs
200K+Site Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…70K+
Total Downloads
1.8M+Site Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…1.2M+
Support Resolution
100%Site Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…0%
Last Updated
1 month agoSite Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…1 month ago
First Released
2024Site Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…2012
Age
2 yearsSite Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…14 years
WP Requires
6.6+Site Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…6.4+
PHP Requires
7.4+Site Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…7.4+
Business Model
FreeSite Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…Free
Latest Version
1.4.3Site Mailer – SMTP Replacement, Email…
Solid Mail – SMTP email and logging…2.2.3

Rating Breakdown

Site Mailer – SMTP Replacement, Email…

2.2/5(14 reviews)
5
29%
4
0%
3
0%
2
7%
1
64%

Solid Mail – SMTP email and logging…

4.2/5(52 reviews)
5
79%
4
2%
3
0%
2
2%
1
17%

Recent Reviews

Site Mailer – SMTP Replacement, Email… Reviews

by petralearnsword

Site Mailer Glitch

I’ve been using Site Mailer for a while now. But I installed it for a new client and the plugin is not working. “Sorry there was a glitch. Try refreshing the page. if that does not resolve the issue t

by Chris

it forces you to set a Reply-To address

I’m unfortunately not satisfied with Site Mailer because it forces you to set a Reply-To address in the plugin settings. There is no option to leave this field empty. For websites that use advanced

by Svensonsan

Installed without my consent

This plugin suddenly appeared on my site without me ever installing it. I can only assume it was pushed through an Elementor update, which is completely unacceptable behavior. Plugins should never

Solid Mail – SMTP email and logging… Reviews

by h360

Plugin issues under PHP8.4

When the plugin is running under PHP8.4, it will cause the website to crash

by Hoang Nam

I’m satisfied with version 1.2.7

I’m satisfied with version 1.2.7.The newer updates add unnecessary features.With version 1.2.7, the emails are reliably delivered to the inbox and even marked as important.But with the latest versions

by maxim23

Solid mail is super

Easy setup of complex communications under the hood thanks to the developers<font _mstmutation=”1″></font>

Frequently Asked Questions

Is Site Mailer – SMTP Replacement, Email… or Solid Mail – SMTP email and logging… more popular?
Site Mailer – SMTP Replacement, Email… has 200K+ active installations while Solid Mail – SMTP email and logging… has 70K+. Site Mailer – SMTP Replacement, Email… is the more widely-used plugin as of April 2026.
Which has better ratings — Site Mailer – SMTP Replacement, Email… or Solid Mail – SMTP email and logging…?
Site Mailer – SMTP Replacement, Email… has a 2.2/5 rating from 14 reviews, while Solid Mail – SMTP email and logging… has a 4.2/5 rating from 52 reviews.
Are Site Mailer – SMTP Replacement, Email… and Solid Mail – SMTP email and logging… free?
Site Mailer – SMTP Replacement, Email… is free and Solid Mail – SMTP email and logging… is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Site Mailer – SMTP Replacement, Email… or Solid Mail – SMTP email and logging…?
As of April 2026, Site Mailer – SMTP Replacement, Email… has a 100% support resolution rate while Solid Mail – SMTP email and logging… has a 0% rate.
Which plugin is updated more frequently?
Site Mailer – SMTP Replacement, Email… was last updated 1 month ago and Solid Mail – SMTP email and logging… was last updated 1 month ago.

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