Live from WordPress.org · Sep 28, 2026
Best 365 SMTP Plugins for WordPress
1 plugins are tagged “365 smtp” on WordPress.org. We rank them by active installs and score every one on update freshness, compatibility, ratings and support — so you can pick a safe one in seconds. The most popular right now is WPO365 with 1K+ active installs.
| Rank | Plugin | Active installs |
|---|---|---|
| 1 |
WPO365 | Mail Integration for Office 365 / Outlook
IMPORTANT - Please choose the WPO365 | MICROSOFT 365 GRAPH MAILER plugin instead. This…
|
1K+ |
How we rank
Popularity first, then a health check you can trust
Plugins are ordered the way WordPress.org ranks them for this category. Next to each one you’ll see its health score, so a popular-but-neglected option never sneaks into your stack.
- 25 Update freshness
- 20 Works with the latest WordPress
- 25 Rating, weighted by review count
- 15 Support threads resolved
- 15 Active installs
Popular plugins categories
FAQ
Quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 28, 2026
What is the most popular 365 smtp plugin for WordPress?
WPO365 | Mail Integration for Office 365 / Outlook is the most popular 365 smtp plugin with 1K+ active installs and a 4.9/5 rating on WordPress.org.
How many 365 smtp plugins are on WordPress.org?
There are currently 1 plugins tagged “365 smtp” in the official WordPress.org plugin directory.
Which 365 smtp plugin has the best rating?
Among the most-installed options, WPO365 | Mail Integration for Office 365 / Outlook has the highest rating at 4.9/5 from 26 reviews.
Are these 365 smtp plugins actively maintained?
0 of the top 1 365 smtp plugins were updated in the last 30 days. Check each plugin’s health score for update freshness, WordPress compatibility and support responsiveness.
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