Configure 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, Configure SMTP has a higher user rating (4.9/5 from 45 reviews) and leads in active installations (7.0K+ vs 1.0K+). Both are free WordPress plugins. Configure SMTP has accumulated 369K+ total downloads while Mailster Gmail Integration has 20K+.
Detailed Comparison
| Metric | Configure SMTP | Mailster Gmail Integration | |
|---|---|---|---|
| Rating | 4.9/5 | ◄ | 1/5 |
| Total Reviews | 45 | ◄ | 1 |
| Active Installs | 7.0K+ | ◄ | 1.0K+ |
| Total Downloads | 369K+ | ◄ | 20K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 1 year ago | ◄ | 1 year ago |
| First Released | 2009 | 2020 | |
| Age | 17 years | 6 years | |
| WP Requires | 5.5+ | 6.0+ | |
| PHP Requires | false+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 3.5 | 1.3.1 |
Rating Breakdown
Configure SMTP
Mailster Gmail Integration
Download Trends
Over the past 30 days, Configure SMTP averaged approximately 16 daily downloads while Mailster Gmail Integration averaged 6.
Recent Reviews
Configure SMTP Reviews
First thing I install on all my WP websites
Configure SMTP is a staple of setting up a useful WordPress website, I would call it “a household name” for WP installations (if there’s any such thing as household names in this area). Anyway, what a
Simple and functional way to configure SMTP settings in your WordPress
Most of my users and customers ask me: why my mails are not being sent? Why some mails sent from my site do not arrives? The problem are spam filters and things like this, so SMTP is a basic tool to o
Still works!
There are some minor warnings under php7. See here for the fix: https://wordpress.org/support/topic/warning-declaration-of-c2c_configuresmtp-with-plugin-installed/#post-9832908 Hopefully the author w
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 Configure 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.
Connect to Gmail SMTP server to automatically send email from your WordPress site. Configure wp_mail() to use SMTP with OAuth 2.0 authentication.
Frequently Asked Questions
Is Configure SMTP or Mailster Gmail Integration more popular?
Which has better ratings — Configure SMTP or Mailster Gmail Integration?
Are Configure SMTP and Mailster Gmail Integration free?
Which plugin has better support — Configure SMTP or Mailster Gmail Integration?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.