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FluentSMTP – WP SMTP Plugin with Amazon… vs PostMarkApp Mail Replacement (2026)

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

FluentSMTP – WP SMTP Plugin with Amazon…

FluentSMTP – WP SMTP Plugin with Amazon…

4.8(365)

500K+ active installs

Free

Updated 3 months ago
View FluentSMTP – WP SMTP Plugin with Amazon…
VS
PostMarkApp Mail Replacement

PostMarkApp Mail Replacement

0(0)

10 active installs

Free

Updated 7 years ago
View PostMarkApp Mail Replacement

Quick Verdict

As of April 2026, FluentSMTP – WP SMTP Plugin with Amazon… has a higher user rating (4.8/5 from 365 reviews) and leads in active installations (500K+ vs 10). Both are free WordPress plugins. FluentSMTP – WP SMTP Plugin with Amazon… has accumulated 4.0M+ total downloads while PostMarkApp Mail Replacement has 2.1K+.

Detailed Comparison

Rating
4.8/5FluentSMTP – WP SMTP Plugin with Amazon…
◄
PostMarkApp Mail ReplacementN/A
Total Reviews
365FluentSMTP – WP SMTP Plugin with Amazon…
◄
PostMarkApp Mail Replacement0
Active Installs
500K+FluentSMTP – WP SMTP Plugin with Amazon…
◄
PostMarkApp Mail Replacement10
Total Downloads
4.0M+FluentSMTP – WP SMTP Plugin with Amazon…
◄
PostMarkApp Mail Replacement2.1K+
Support Resolution
30%FluentSMTP – WP SMTP Plugin with Amazon…
PostMarkApp Mail ReplacementN/A
Last Updated
3 months agoFluentSMTP – WP SMTP Plugin with Amazon…
◄
PostMarkApp Mail Replacement7 years ago
First Released
2021FluentSMTP – WP SMTP Plugin with Amazon…
PostMarkApp Mail Replacement2011
Age
5 yearsFluentSMTP – WP SMTP Plugin with Amazon…
PostMarkApp Mail Replacement15 years
WP Requires
5.5+FluentSMTP – WP SMTP Plugin with Amazon…
PostMarkApp Mail Replacement2.8+
PHP Requires
7.4+FluentSMTP – WP SMTP Plugin with Amazon…
PostMarkApp Mail Replacementfalse+
Business Model
FreeFluentSMTP – WP SMTP Plugin with Amazon…
PostMarkApp Mail ReplacementFree
Latest Version
2.2.95FluentSMTP – WP SMTP Plugin with Amazon…
PostMarkApp Mail Replacement1.3.2

Rating Breakdown

FluentSMTP – WP SMTP Plugin with Amazon…

4.8/5(365 reviews)
5
92%
4
2%
3
1%
2
1%
1
3%

PostMarkApp Mail Replacement

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

Recent Reviews

FluentSMTP – WP SMTP Plugin with Amazon… Reviews

by lynnefed

Unreliable

This doesn’t work. It doesn’t send or receive any emails. I don’t understand why it gets 5 star reviews. It’s useless and unreliable.

by wonder32

Very nice effort!

This plugin is good, as things should be good!

by norton

Great Plugin

This plugin connects WordPress with Enterprise Mailing and it does it like a charm. The setup takes a few steps, but these steps are straight forward and well documented. Considering that this is a fr

PostMarkApp Mail Replacement Reviews

No reviews yet

Frequently Asked Questions

Is FluentSMTP – WP SMTP Plugin with Amazon… or PostMarkApp Mail Replacement more popular?
FluentSMTP – WP SMTP Plugin with Amazon… has 500K+ active installations while PostMarkApp Mail Replacement has 10. FluentSMTP – WP SMTP Plugin with Amazon… is the more widely-used plugin as of April 2026.
Which has better ratings — FluentSMTP – WP SMTP Plugin with Amazon… or PostMarkApp Mail Replacement?
FluentSMTP – WP SMTP Plugin with Amazon… has a 4.8/5 rating from 365 reviews, while PostMarkApp Mail Replacement has a 0/5 rating from 0 reviews.
Are FluentSMTP – WP SMTP Plugin with Amazon… and PostMarkApp Mail Replacement free?
FluentSMTP – WP SMTP Plugin with Amazon… is free and PostMarkApp Mail Replacement is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — FluentSMTP – WP SMTP Plugin with Amazon… or PostMarkApp Mail Replacement?
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?
FluentSMTP – WP SMTP Plugin with Amazon… was last updated 3 months ago and PostMarkApp Mail Replacement was last updated 7 years ago.

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