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Why does my SMTP OAuth2 authorization succeed but test emails still fail?

Last Updated: 04/07/2026 in Knowledge Capture

Environment / Context Applies to any KnowledgeOwl account using SMTP with OAuth2 (Microsoft/Azure). The Authorize button completes successfully, but test emails fail with the error: "Email sending failed: Authentication successful." Resolu...
Manage CSV export column list

Last Updated: 04/07/2026 in Features Manage articles Export Manage articles to CSV

View a complete list of the Manage CSV export columns, a description of the information they contain, and sample entries for how that information is formatted.
Widget setup and installation overview

Last Updated: 04/07/2026 in Features Contextual Help Widget (2.0) Set up Widget Widget setup and installation

Follow these instructions to set up and install your contextual help widget.
Use Widget 2.0 on Single Page Applications

Last Updated: 04/07/2026 in Features Contextual Help Widget (2.0) Set up Widget Advanced Widget setup & methods

Use these methods to embed the widget in a single page application or other places where you need to translate the actual URL to something else.
Widget Admin Settings section

Last Updated: 04/07/2026 in Features Contextual Help Widget (2.0) Set up Widget Widget setup and installation

Learn what the widget's Admin Settings control.
Create a style or author's guide

Last Updated: 04/07/2026 in Learning resources Getting Started Guide Get started with a new knowledge base

See what information you should consider adding to a style guide or author's guide.
Integration-related features

Last Updated: 04/07/2026 in Learning resources Getting Started Guide Explore features

Learn about our integration-related features, including our contact form, contextual help widget, webhooks, and API.
Widget feature overview

Last Updated: 04/07/2026 in Features Contextual Help Widget (2.0)

Learn how to use our widget to provide contextual help in your website or application.
Change the order of the Recommended tab

Last Updated: 04/07/2026 in Features Contextual Help Widget (2.0) Use widget for contextual help

Edit the Recommended Article Weights in Reporting > Widget to change the order of articles displayed in the contextual help widget's Recommended tab.
Widget contextual help overview

Last Updated: 04/07/2026 in Features Contextual Help Widget (2.0) Use widget for contextual help

Learn how you can use the widget to provide contextual help--resources that are relevant to the specific page or section of your app or website where a reader opened the widget.