Title: Code 400 error on version 2.5.5
Last modified: June 6, 2023

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# Code 400 error on version 2.5.5

 *  Resolved [cjsebes](https://wordpress.org/support/users/cjsebes/)
 * (@cjsebes)
 * [3 years ago](https://wordpress.org/support/topic/code-400-error-on-version-2-5-5/)
 * I’m using Postman SMTP 2.5.5 and received the following email with errors. Any
   thoughts or suggestions are greatly appreciated.
 * Code: 400, Message: Bad Request, Body: {“errors”:[{“message”:”Unless a valid 
   template_id is provided, the content parameter is required. There must be at 
   least one defined content block. We typically suggest both text/plain and text/
   html blocks are included, but only one block is required.”,”field”:”content”,”
   help”:”[http://sendgrid.com/docs/API_Reference/Web_API_v3/Mail/errors.html#message.content](http://sendgrid.com/docs/API_Reference/Web_API_v3/Mail/errors.html#message.content)“}]}

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

 *  [smakazmi15](https://wordpress.org/support/users/smakazmi15/)
 * (@smakazmi15)
 * [3 years ago](https://wordpress.org/support/topic/code-400-error-on-version-2-5-5/#post-16800200)
 * Hi [@cjsebes](https://wordpress.org/support/users/cjsebes/) ,
 * I hope you are doing well.
 * After resetting the post smtp setting and reconfiguring the plugin. Check by 
   sending a test email. You can use this blog [here](http://Setting up SendGrid With Post SMTP (postmansmtp.com))
   for your assistance. If there is anything we can do to help you, please let me
   know.
 * Thanks and regards,
   Support Team – WPExperts
 *  Thread Starter [cjsebes](https://wordpress.org/support/users/cjsebes/)
 * (@cjsebes)
 * [3 years ago](https://wordpress.org/support/topic/code-400-error-on-version-2-5-5/#post-16801331)
 * Thanks for the reply. I’ll try to reset and reconfigure.
 * Much appreciated.
    -  This reply was modified 3 years ago by [cjsebes](https://wordpress.org/support/users/cjsebes/).
 *  Plugin Support [M Haseeb](https://wordpress.org/support/users/haseeb0001/)
 * (@haseeb0001)
 * [3 years ago](https://wordpress.org/support/topic/code-400-error-on-version-2-5-5/#post-16803521)
 * [@cjsebes](https://wordpress.org/support/users/cjsebes/)
 * Great, thanks.
 *  [smakazmi15](https://wordpress.org/support/users/smakazmi15/)
 * (@smakazmi15)
 * [2 years, 11 months ago](https://wordpress.org/support/topic/code-400-error-on-version-2-5-5/#post-16859789)
 * Hi [@cjsebes](https://wordpress.org/support/users/cjsebes/) ,
 * I hope you are doing great. We have been waiting to hear from you for the last
   three weeks and assume your issue has been resolved.
 * Feel free to reopen this issue in case the problem persists.
 * Thanks and regards,
   Support Team – WPExperts

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

The topic ‘Code 400 error on version 2.5.5’ is closed to new replies.

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## Tags

 * [bad request](https://wordpress.org/support/topic-tag/bad-request/)

 * 4 replies
 * 3 participants
 * Last reply from: [smakazmi15](https://wordpress.org/support/users/smakazmi15/)
 * Last activity: [2 years, 11 months ago](https://wordpress.org/support/topic/code-400-error-on-version-2-5-5/#post-16859789)
 * Status: resolved