Title: Error 423
Last modified: January 19, 2023

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# Error 423

 *  Resolved [designtwo2](https://wordpress.org/support/users/designtwo2/)
 * (@designtwo2)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/error-423-2/)
 * Hi
   I am using Office365 and am getting the below error when sending a test email
   via the plugin:
 * {
   “code”: 423,“message”: “Not Found”,“errors”: [“Not Found”]}
 * What does this mean?
 * Thank you

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Thread Starter [designtwo2](https://wordpress.org/support/users/designtwo2/)
 * (@designtwo2)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/error-423-2/#post-16398491)
 * Hi. Just following up if any feedback on this? Thank you
 *  Plugin Support [Amimul Ihsan](https://wordpress.org/support/users/amimulihsanmahdi/)
 * (@amimulihsanmahdi)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/error-423-2/#post-16406264)
 * Hello there,
 * We have updated our documentation, kindly follow it [here](https://fluentsmtp.com/docs/setup-outlook-with-fluentsmtp/).
   Can you please try again and check if the issue is resolved?
 * Let me know the update.
 * Thank you
 *  [panosgtx](https://wordpress.org/support/users/panosgtx/)
 * (@panosgtx)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/error-423-2/#post-16462279)
 * Hello,
 * I followed the documentation but the error 423 still appears. Any suggestion?
 *  Plugin Support [Amimul Ihsan](https://wordpress.org/support/users/amimulihsanmahdi/)
 * (@amimulihsanmahdi)
 * [3 years, 3 months ago](https://wordpress.org/support/topic/error-423-2/#post-16468339)
 * Hello [@panosgtx](https://wordpress.org/support/users/panosgtx/),
 * Would you please delete the existing credentials and re integrate it by creating
   new credentials and check again?
 * In addition, kindly check if your account has the permission to send mails using
   Outlook SMTP.
 * Thank you

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘Error 423’ is closed to new replies.

 * ![](https://ps.w.org/fluent-smtp/assets/icon.svg?rev=2458343)
 * [FluentSMTP - WP SMTP Plugin with Amazon SES, SendGrid, MailGun, Postmark, Google and Any SMTP Provider](https://wordpress.org/plugins/fluent-smtp/)
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 * 4 replies
 * 3 participants
 * Last reply from: [Amimul Ihsan](https://wordpress.org/support/users/amimulihsanmahdi/)
 * Last activity: [3 years, 3 months ago](https://wordpress.org/support/topic/error-423-2/#post-16468339)
 * Status: resolved