by Dixon Cherian 0 (0 reviews)

DixonSMTP for Outlook & Microsoft 365

Name: DixonSMTP for Outlook & Microsoft 365
Author: Dixon Cherian

Send WordPress emails reliably through Outlook.com / Microsoft 365 SMTP with OAuth 2.0, email logging, and a built-in test tool.

DixonSMTP for Outlook & Microsoft 365 ranks #22,561 among WordPress.org plugins with 40+ active installations, is #507 of 1,659 in the Authentication category, and was last updated Jul 21, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 7.0.8 (Current: 7.1.4)

v1.0.0 Current Version v1.0.0

Updated 3 months ago Last Update on 21 Jul, 2026

Refreshed 1 week ago Last Refreshed on

#507 of 1,659 in Authentication Top 50% by installs

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Rank

#22,561

— No change

Active Installs

40+

+33.3%

KW Avg Position

1 worse

Downloads

389

+4 today

Support Resolved

— No change

Rating

Review 0 out of 5

0 (0 reviews)

Next Milestone 50

Total Progress 50%

40+ 50+

2,551

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Rank Changes

Current #22,561

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

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Reviews & Ratings

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Plugin Details

Version: 1.0.0
Last Updated: Jul 21, 2026
Requires WP: 6.2+
Tested Up To: 7.0.8
PHP Version: 7.4 or higher
Author: Dixon Cherian

Support & Rating

Rating: ☆ ☆ ☆ ☆ ☆ 0
Reviews: 0
Support Threads: 0
Resolved: 0%

Keywords

email Microsoft 365 oauth outlook smtp

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Frequently Asked Questions

Common questions about DixonSMTP for Outlook & Microsoft 365

Host smtp.office365.com, port 587, encryption TLS. These are the plugin defaults. I get "5.7.139 Authentication unsuccessful, SmtpClientAuthentication is disabled" SMTP AUTH is disabled for the tenant or mailbox. Follow step 5 of the OAuth setup above. I get "5.7.60 Client does not have permissions to send as this sender" Your From Email must be the authenticated mailbox itself, or an address that mailbox has Send As rights for. Enable "Force From Address" and set the From Email to the connected mailbox.

Yes — register the Azure app with support for personal Microsoft accounts and set Tenant ID to common. Host stays smtp.office365.com (or smtp-mail.outlook.com).

In your WordPress database, encrypted with AES-256 using a key derived from your site's unique AUTH_KEY/SECURE_AUTH_KEY salts. Nothing is sent to any third party except Microsoft's own OAuth/SMTP endpoints. The OAuth redirect returns a 404 Your REST API permalinks are disabled or blocked. Enable pretty permalinks (Settings → Permalinks) and make sure /wp-json/ is reachable, then re-copy the Redirect URI.

Yes. The plugin can be network-activated; each site keeps its own settings, connection and log.