WP Mail SMTP by WPForms – The Most… vs WPO365 | MICROSOFT 365 GRAPH MAILER (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
WP Mail SMTP by WPForms – The Most…
4.0M+ active installs
Free
WPO365 | MICROSOFT 365 GRAPH MAILER
10K+ active installs
Free
Quick Verdict
As of April 2026, WPO365 | MICROSOFT 365 GRAPH MAILER has a higher user rating (4.9/5 from 37 reviews) while WP Mail SMTP by WPForms – The Most… leads in active installations (4.0M+ vs 10K+). Both are free WordPress plugins. WP Mail SMTP by WPForms – The Most… has accumulated 76M+ total downloads while WPO365 | MICROSOFT 365 GRAPH MAILER has 190K+.
Detailed Comparison
| Metric | WP Mail SMTP by WPForms – The Most… | WPO365 | MICROSOFT 365 GRAPH MAILER | |
|---|---|---|---|
| Rating | 4.8/5 | ► | 4.9/5 |
| Total Reviews | 5,089 | ◄ | 37 |
| Active Installs | 4.0M+ | ◄ | 10K+ |
| Total Downloads | 76M+ | ◄ | 190K+ |
| Support Resolution | 88% | N/A | |
| Last Updated | 4 months ago | ► | 3 days ago |
| First Released | 2007 | 2022 | |
| Age | 19 years | 4 years | |
| WP Requires | 5.5+ | 5.0+ | |
| PHP Requires | 7.4+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 4.7.1 | 5.1 |
Rating Breakdown
WP Mail SMTP by WPForms – The Most…
WPO365 | MICROSOFT 365 GRAPH MAILER
Download Trends
Over the past 30 days, WP Mail SMTP by WPForms – The Most… averaged approximately 13,731 daily downloads while WPO365 | MICROSOFT 365 GRAPH MAILER averaged 354.
Recent Reviews
WP Mail SMTP by WPForms – The Most… Reviews
Great plugin!
Easy to install and configure. Works like a charm!
Love it
easy and reliable
Does the Job, Needs Improvement
WP Mail SMTP by WPForms works well for email delivery, with easy setup. However, it lacks some advanced features and customization. 4 stars! This topic was modified 2 days, 1 hour ago by janel
WPO365 | MICROSOFT 365 GRAPH MAILER Reviews
Outstanding Plugin
My problems with Microsoft 365-Account sending were solved by the plugin in a minute. Ok, you have to go trough that Microsoft Azure registration routine, but then it rocked! Other plugins didnt do th
Very good solution for a free option
It works as expected and is currently a strong option for enabling the Microsoft Graph API without a monthly subscription. The setup steps for connecting your Microsoft SMTP account are well documente
A great and fast solution
Seamless solution to send emails via Graph. The ease of setup is imply wonderful.
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Frequently Asked Questions
Is WP Mail SMTP by WPForms – The Most… or WPO365 | MICROSOFT 365 GRAPH MAILER more popular?
Which has better ratings — WP Mail SMTP by WPForms – The Most… or WPO365 | MICROSOFT 365 GRAPH MAILER?
Are WP Mail SMTP by WPForms – The Most… and WPO365 | MICROSOFT 365 GRAPH MAILER free?
Which plugin has better support — WP Mail SMTP by WPForms – The Most… or WPO365 | MICROSOFT 365 GRAPH MAILER?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.