Title: Incorrect authentication data
Last modified: June 5, 2022

---

# Incorrect authentication data

 *  Resolved [luxworx](https://wordpress.org/support/users/luxworx/)
 * (@luxworx)
 * [4 years ago](https://wordpress.org/support/topic/incorrect-authentication-data-15/)
 * Hello,
    I have an error “Incorrect authentication data”. The authentication data
   I have inputed are 100% good.
 * I’ve added “v=spf1 ip4:44.205.132.92 include:spf.protection.outlook.com -all”
   to TXT of my domain.
 * I can’t find “Login to CPanel > Tweak Settings”
 * The smtp server is: h19.microhost.pl
 * Please help

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Thread Starter [luxworx](https://wordpress.org/support/users/luxworx/)
 * (@luxworx)
 * [4 years ago](https://wordpress.org/support/topic/incorrect-authentication-data-15/#post-15710312)
 * OK. Found the problem. This was misconfiguration of my VPS. Now it works.
 *  Plugin Support [M Haseeb](https://wordpress.org/support/users/haseeb0001/)
 * (@haseeb0001)
 * [4 years ago](https://wordpress.org/support/topic/incorrect-authentication-data-15/#post-15711806)
 * [@luxworx](https://wordpress.org/support/users/luxworx/) Hi,
 * Hope you are doing good.
 * Great, Thanks for the update.
 * If you face any issues in the future you can create a new post.
 * Thanks

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Incorrect authentication data’ is closed to new replies.

 * ![](https://ps.w.org/post-smtp/assets/icon-128x128.gif?rev=3209655)
 * [Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App](https://wordpress.org/plugins/post-smtp/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/post-smtp/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/post-smtp/)
 * [Active Topics](https://wordpress.org/support/plugin/post-smtp/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/post-smtp/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/post-smtp/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [M Haseeb](https://wordpress.org/support/users/haseeb0001/)
 * Last activity: [4 years ago](https://wordpress.org/support/topic/incorrect-authentication-data-15/#post-15711806)
 * Status: resolved