WPO365 | MICROSOFT 365 GRAPH MAILER vs Zoho ZeptoMail (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
Quick Verdict
As of April 2026, Zoho ZeptoMail has a higher user rating (5/5 from 4 reviews) while WPO365 | MICROSOFT 365 GRAPH MAILER leads in active installations (10K+ vs 5.0K+). Both are free WordPress plugins. WPO365 | MICROSOFT 365 GRAPH MAILER has accumulated 190K+ total downloads while Zoho ZeptoMail has 70K+.
Detailed Comparison
| Metric | WPO365 | MICROSOFT 365 GRAPH MAILER | Zoho ZeptoMail | |
|---|---|---|---|
| Rating | 4.9/5 | ► | 5/5 |
| Total Reviews | 37 | ◄ | 4 |
| Active Installs | 10K+ | ◄ | 5.0K+ |
| Total Downloads | 190K+ | ◄ | 70K+ |
| Support Resolution | N/A | 0% | |
| Last Updated | 2 days ago | ◄ | 2 months ago |
| First Released | 2022 | 2020 | |
| Age | 4 years | 6 years | |
| WP Requires | 5.0+ | 4.8+ | |
| PHP Requires | 7.4+ | 5.6+ | |
| Business Model | Free | Free | |
| Latest Version | 5.1 | 3.3.3 |
Rating Breakdown
WPO365 | MICROSOFT 365 GRAPH MAILER
Zoho ZeptoMail
Download Trends
Over the past 30 days, WPO365 | MICROSOFT 365 GRAPH MAILER averaged approximately 316 daily downloads while Zoho ZeptoMail averaged 33.
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.
Zoho ZeptoMail Reviews
Does The Job
I’ve only been using this plugin for about a week now, but no problems so far. The pay-as-you-go credit system is awesome for small businesses like me. Hope they keep maintaining it.
Liked this improved version
Tried this plugin a year back, but there was compatibility issue hence started using FluentSMTP plugin with Zepto account setup. But this version is really improved hence migrated back. The email l
Super easy to set up, works great!
Set up in 1 min. and just works!(the domain setup in ZeptoMail itself took a little longer ,)
More Wp_Mail Worth Comparing
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Frequently Asked Questions
Is WPO365 | MICROSOFT 365 GRAPH MAILER or Zoho ZeptoMail more popular?
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Are WPO365 | MICROSOFT 365 GRAPH MAILER and Zoho ZeptoMail free?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.