Gmail SMTP vs Mailster Gmail Integration (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Mailster Gmail Integration
1.0K+ active installs
Free
Quick Verdict
As of April 2026, Gmail SMTP has a higher user rating (4.1/5 from 101 reviews) and leads in active installations (10K+ vs 1.0K+). Both are free WordPress plugins. Gmail SMTP has accumulated 723K+ total downloads while Mailster Gmail Integration has 20K+.
Detailed Comparison
| Metric | Gmail SMTP | Mailster Gmail Integration | |
|---|---|---|---|
| Rating | 4.1/5 | ◄ | 1/5 |
| Total Reviews | 101 | ◄ | 1 |
| Active Installs | 10K+ | ◄ | 1.0K+ |
| Total Downloads | 723K+ | ◄ | 20K+ |
| Support Resolution | 50% | N/A | |
| Last Updated | 1 month ago | ◄ | 1 year ago |
| First Released | 2015 | 2020 | |
| Age | 11 years | 6 years | |
| WP Requires | 6.9+ | 6.0+ | |
| PHP Requires | 5.6+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 1.2.3.18 | 1.3.1 |
Rating Breakdown
Gmail SMTP
Mailster Gmail Integration
Download Trends
Over the past 30 days, Gmail SMTP averaged approximately 118 daily downloads while Mailster Gmail Integration averaged 6.
Recent Reviews
Gmail SMTP Reviews
Good when it works, only for small sites installed at root
The plugin is great when it works. The plugin suddenly stopped working. I contacted support, they checked the site, and stopped answering. They did not say yes, no, we can or cannot fix it. They st
Works well, simple clean interface.
It’s wonderful when you can find a plugin that is not bloated. Thank you to the developer for this great, easy to use and easy to follow instructions!
Worked Like Magic!
this plugin works like magicdirectly to the inboxDaaamn its really goodif you are using your own vps – dont forget to open port 587 and 465 in tcp protocolotherwise it wont work – open them also in yo
Mailster Gmail Integration Reviews
Does not work!
Does not work! The problem has been known for a long time, but the developer is silent. Fatal error: Uncaught Error: Call to undefined function Mailster\GuzzleHttp\Psr7\uri_for() in /home/admin/web/….
More Gmail Worth Comparing
Top alternatives in the same category as Gmail SMTP and Mailster Gmail Integration
Make email delivery easy for WordPress. Connect with SMTP, Gmail, Outlook, SendGrid, Mailgun, SES, Zoho, + more. Rated #1 WordPress SMTP Email plugin.
Make SMTP email sending and delivery easy. Configure Gmail, Outlook, Brevo, SendGrid, Mailgun, SendLayer or connect to any SMTP server.
Configure SMTP mailing in WordPress, including support for sending email via SSL/TLS (such as Gmail).
Frequently Asked Questions
Is Gmail SMTP or Mailster Gmail Integration more popular?
Which has better ratings — Gmail SMTP or Mailster Gmail Integration?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.