Title: Help! Unauthorized(unauthorized_client)
Last modified: June 24, 2020

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# Help! Unauthorized(unauthorized_client)

 *  [smala3108](https://wordpress.org/support/users/smala3108/)
 * (@smala3108)
 * [5 years, 11 months ago](https://wordpress.org/support/topic/help-unauthorizedunauthorized_client/)
 * My subsite is not sending any mails, form notifications (using GravityFroms) 
   or even The Change WordPress Admin Mail.
 * In my Post SMTP log it shows the error:Unauthorized(unauthorized_client) by all
   mail attempts (both Gravityform submission aswell as the change WordPress admin
   mail,)
 * What does this mean and how do I fix it?
 * I have a multisite, and on all my other subfolder site it works, just this oneis
   not sending any mails. All other sites are showing no error in Post SMTP just‘
   sent’ instead of the error ‘Unauthorized(unauthorized_client)’

The topic ‘Help! Unauthorized(unauthorized_client)’ is closed to new replies.

 * ![](https://ps.w.org/post-smtp/assets/icon-128x128.gif?rev=3209655)
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 * 0 replies
 * 1 participant
 * Last reply from: [smala3108](https://wordpress.org/support/users/smala3108/)
 * Last activity: [5 years, 11 months ago](https://wordpress.org/support/topic/help-unauthorizedunauthorized_client/)
 * Status: not resolved