Flamingo vs Kaigai Spam Mail Blocker (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, Flamingo has a higher user rating (4.2/5 from 118 reviews) and leads in active installations (800K+ vs 0). Both are free WordPress plugins. Flamingo has accumulated 8.2M+ total downloads while Kaigai Spam Mail Blocker has 116.
Detailed Comparison
| Metric | Flamingo | Kaigai Spam Mail Blocker | |
|---|---|---|---|
| Rating | 4.2/5 | ◄ | N/A |
| Total Reviews | 118 | ◄ | 0 |
| Active Installs | 800K+ | ◄ | 0 |
| Total Downloads | 8.2M+ | ◄ | 116 |
| Support Resolution | 33% | N/A | |
| Last Updated | 4 months ago | ► | 2 months ago |
| First Released | 2012 | 2026 | |
| Age | 14 years | 3 months | |
| WP Requires | 6.7+ | 6.0+ | |
| PHP Requires | 7.4+ | 7.2+ | |
| Business Model | Free | Free | |
| Latest Version | 2.6.1 | 1.1.5 |
Rating Breakdown
Flamingo
Kaigai Spam Mail Blocker
Download Trends
Recent Reviews
Flamingo Reviews
Works Really Well
Its a great addition to contact form 7 and much needed if you don’t have your email server setup yet.
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
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
Kaigai Spam Mail Blocker Reviews
No reviews yet
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Frequently Asked Questions
Is Flamingo or Kaigai Spam Mail Blocker more popular?
Which has better ratings — Flamingo or Kaigai Spam Mail Blocker?
Are Flamingo and Kaigai Spam Mail Blocker free?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.