WPO365 | MICROSOFT 365 GRAPH MAILER vs MailerSend – Official SMTP Integration (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
WPO365 | MICROSOFT 365 GRAPH MAILER
10K+ active installs
Free
MailerSend – Official SMTP Integration
2.0K+ 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) and leads in active installations (10K+ vs 2.0K+). Both are free WordPress plugins. WPO365 | MICROSOFT 365 GRAPH MAILER has accumulated 190K+ total downloads while MailerSend – Official SMTP Integration has 21K+.
Detailed Comparison
| Metric | WPO365 | MICROSOFT 365 GRAPH MAILER | MailerSend – Official SMTP Integration | |
|---|---|---|---|
| Rating | 4.9/5 | ◄ | 2.8/5 |
| Total Reviews | 37 | ◄ | 12 |
| Active Installs | 10K+ | ◄ | 2.0K+ |
| Total Downloads | 190K+ | ◄ | 21K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 3 days ago | ◄ | 2 months ago |
| First Released | 2022 | 2021 | |
| Age | 4 years | 5 years | |
| WP Requires | 5.0+ | 5.7+ | |
| PHP Requires | 7.4+ | 7.2.5+ | |
| Business Model | Free | Free | |
| Latest Version | 5.1 | 1.0.5 |
Rating Breakdown
WPO365 | MICROSOFT 365 GRAPH MAILER
MailerSend – Official SMTP Integration
Download Trends
Over the past 30 days, WPO365 | MICROSOFT 365 GRAPH MAILER averaged approximately 354 daily downloads while MailerSend – Official SMTP Integration averaged 17.
Recent Reviews
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.
MailerSend – Official SMTP Integration Reviews
Doesn’t work
All set up but nothing arrives except the test email. This topic was modified 1 month, 2 weeks ago by primerpizza.
3 templates for plan free
3 templates for plan free is a Joke..
Plugin Ok, company not
As far as I could see, the plugin seems to work Ok, it’s a shame I can’t say the same for the ‘practices’ of the company.
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.