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Flamingo vs Smooth SMTP (2026)

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

Flamingo

Flamingo

4.2(118)

800K+ active installs

Free

Updated 4 months ago
View Flamingo
VS
Smooth SMTP

Smooth SMTP

4.7(3)

80 active installs

Free

Updated 1 month ago
View Smooth SMTP

Quick Verdict

As of April 2026, Smooth SMTP has a higher user rating (4.7/5 from 3 reviews) while Flamingo leads in active installations (800K+ vs 80). Both are free WordPress plugins. Flamingo has accumulated 8.2M+ total downloads while Smooth SMTP has 1.4K+. Flamingo has a higher support resolution rate (33% vs 0%).

Detailed Comparison

Rating
4.2/5Flamingo
►
Smooth SMTP4.7/5
Total Reviews
118Flamingo
◄
Smooth SMTP3
Active Installs
800K+Flamingo
◄
Smooth SMTP80
Total Downloads
8.2M+Flamingo
◄
Smooth SMTP1.4K+
Support Resolution
33%Flamingo
◄
Smooth SMTP0%
Last Updated
4 months agoFlamingo
►
Smooth SMTP1 month ago
First Released
2012Flamingo
Smooth SMTP2025
Age
14 yearsFlamingo
Smooth SMTP1 year
WP Requires
6.7+Flamingo
Smooth SMTP5.0+
PHP Requires
7.4+Flamingo
Smooth SMTP7.4+
Business Model
FreeFlamingo
Smooth SMTPFree
Latest Version
2.6.1Flamingo
Smooth SMTP1.1.6

Rating Breakdown

Flamingo

4.2/5(118 reviews)
5
62%
4
17%
3
8%
2
8%
1
6%

Smooth SMTP

4.7/5(3 reviews)
5
67%
4
33%
3
0%
2
0%
1
0%

Recent Reviews

Flamingo Reviews

by nolanrichardson

Works Really Well

Its a great addition to contact form 7 and much needed if you don’t have your email server setup yet.

by skylabb

Only works with PHP sendmail, not external SMTP

This plugin only works with contact forms using PHP mail. It doesn’t seem to work with an external SMTP mail server. I tested it out and there were no messages collected in DB. Also there’s no option

by allamehw

Great! (But has a minor bug)

This is a great tool, especially with its integration into the Contact Form 7 plugin. However, there’s a minor bug when exporting non-Latin characters, such as Persian. It seems the encoding is set to

Smooth SMTP Reviews

No reviews yet

Frequently Asked Questions

Is Flamingo or Smooth SMTP more popular?
Flamingo has 800K+ active installations while Smooth SMTP has 80. Flamingo is the more widely-used plugin as of April 2026.
Which has better ratings — Flamingo or Smooth SMTP?
Flamingo has a 4.2/5 rating from 118 reviews, while Smooth SMTP has a 4.7/5 rating from 3 reviews.
Are Flamingo and Smooth SMTP free?
Flamingo is free and Smooth SMTP is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Flamingo or Smooth SMTP?
As of April 2026, Flamingo has a 33% support resolution rate while Smooth SMTP has a 0% rate.
Which plugin is updated more frequently?
Flamingo was last updated 4 months ago and Smooth SMTP was last updated 1 month ago.

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