Gmail SMTP vs WPO365 | Mail Integration for Office… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
WPO365 | Mail Integration for Office…
2.0K+ active installs
Free
Quick Verdict
As of April 2026, WPO365 | Mail Integration for Office… has a higher user rating (4.9/5 from 26 reviews) while Gmail SMTP leads in active installations (10K+ vs 2.0K+). Both are free WordPress plugins. Gmail SMTP has accumulated 723K+ total downloads while WPO365 | Mail Integration for Office… has 59K+.
Detailed Comparison
| Metric | Gmail SMTP | WPO365 | Mail Integration for Office… | |
|---|---|---|---|
| Rating | 4.1/5 | ► | 4.9/5 |
| Total Reviews | 101 | ◄ | 26 |
| Active Installs | 10K+ | ◄ | 2.0K+ |
| Total Downloads | 723K+ | ◄ | 59K+ |
| 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+ | 5.5.3+ | |
| PHP Requires | 5.6+ | 7.1.1+ | |
| Business Model | Free | Free | |
| Latest Version | 1.2.3.18 | 1.9.2 |
Rating Breakdown
Gmail SMTP
WPO365 | Mail Integration for Office…
Download Trends
Over the past 30 days, Gmail SMTP averaged approximately 118 daily downloads while WPO365 | Mail Integration for Office… averaged 8.
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
WPO365 | Mail Integration for Office… Reviews
Awesome
Works like a charm and has a great tutorial on how to set it up. Thank you!
Super good mail plugin
I really appreciate author’s contribution. I installed this plugin and it has been working great! Now I have upgraded my WordPress to version 6.0. This plugin is still working as usual. Can’t imagine
It works and is not difficult to configure
Very nice plugin. Highly recommended. Create the app on O365. Take record of the client ID, secret, Tenant ID. Put them all into the plugin. Authorize. Then everything works fine. The plugin does not
More Oauth Worth Comparing
Top alternatives in the same category as Gmail SMTP and WPO365 | Mail Integration for Office…
Extends the WP REST API using JSON Web Tokens Authentication as an authentication method.
Simple secure login and user management through your Google Workspace for WordPress (using oAuth2 and MFA if enabled).
Minimal plugin that allows WordPress users to log in using Google.
Authorizer limits login attempts, restricts access to specific users, and authenticates against external sources (OAuth2, Google, LDAP, or CAS).
Adds Authentication through OAuth 2. Provides the ability for Single Sign On for websites & Mobile Applications.
Frequently Asked Questions
Is Gmail SMTP or WPO365 | Mail Integration for Office… more popular?
Which has better ratings — Gmail SMTP or WPO365 | Mail Integration for Office…?
Are Gmail SMTP and WPO365 | Mail Integration for Office… free?
Which plugin has better support — Gmail SMTP or WPO365 | Mail Integration for Office…?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.