GoSMTP – SMTP for WordPress vs WPO365 | MICROSOFT 365 GRAPH MAILER (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
GoSMTP – SMTP for WordPress
500K+ 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 GoSMTP – SMTP for WordPress leads in active installations (500K+ vs 10K+). Both are free WordPress plugins. GoSMTP – SMTP for WordPress has accumulated 2.1M+ total downloads while WPO365 | MICROSOFT 365 GRAPH MAILER has 190K+.
Detailed Comparison
| Metric | GoSMTP – SMTP for WordPress | WPO365 | MICROSOFT 365 GRAPH MAILER | |
|---|---|---|---|
| Rating | 4.1/5 | ► | 4.9/5 |
| Total Reviews | 8 | ► | 37 |
| Active Installs | 500K+ | ◄ | 10K+ |
| Total Downloads | 2.1M+ | ◄ | 190K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 1 month ago | ► | 2 days ago |
| First Released | 2023 | 2022 | |
| Age | 3 years | 4 years | |
| WP Requires | 5.5+ | 5.0+ | |
| PHP Requires | 5.5+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 1.1.9 | 5.1 |
Rating Breakdown
GoSMTP – SMTP for WordPress
WPO365 | MICROSOFT 365 GRAPH MAILER
Download Trends
Over the past 30 days, GoSMTP – SMTP for WordPress averaged approximately 1,686 daily downloads while WPO365 | MICROSOFT 365 GRAPH MAILER averaged 316.
Recent Reviews
GoSMTP – SMTP for WordPress Reviews
Works great 👍
A simple SMTP plugin that just works. it’s easy to setup and configure. Unlike a lot of the more popular SMTP plugins, it doesn’t clutter your dashboard with useless menus that are only there to upsel
Super
Make it works in 2 clicks. Thanks
Works perfectly
Reliable and does what is supposed to do.
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 GoSMTP – SMTP for WordPress or WPO365 | MICROSOFT 365 GRAPH MAILER more popular?
Which has better ratings — GoSMTP – SMTP for WordPress or WPO365 | MICROSOFT 365 GRAPH MAILER?
Are GoSMTP – SMTP for WordPress and WPO365 | MICROSOFT 365 GRAPH MAILER free?
Which plugin has better support — GoSMTP – SMTP for WordPress or WPO365 | MICROSOFT 365 GRAPH MAILER?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.