Title: Sudden Error Sending Preview Message
Last modified: August 31, 2016

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# Sudden Error Sending Preview Message

 *  [DK](https://wordpress.org/support/users/dip-recipes/)
 * (@dip-recipes)
 * [9 years, 11 months ago](https://wordpress.org/support/topic/sudden-error-sending-preview-message/)
 * First, Thanks so much for adding SparkPost API support.
 * I got everything setup and sent a few preview emails and everything worked great.
   Then all of a sudden, the preview mails started giving me the following error
   when I tried to send:
 * request error not JSON – security failure during request
 * Site is hosted by BlueHost
 * Any idea a place to start to resolve?
 * [https://wordpress.org/plugins/wysija-newsletters/](https://wordpress.org/plugins/wysija-newsletters/)

Viewing 1 replies (of 1 total)

 *  [Wysija](https://wordpress.org/support/users/wysija/)
 * (@wysija)
 * [9 years, 11 months ago](https://wordpress.org/support/topic/sudden-error-sending-preview-message/#post-7449988)
 * Hi DK,
 * Can you get in touch with us below, so we can debug the SparkPost issue?
 * [https://support.mailpoet.com/wordpress-forums/](https://support.mailpoet.com/wordpress-forums/)
 * Thanks!

Viewing 1 replies (of 1 total)

The topic ‘Sudden Error Sending Preview Message’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Wysija](https://wordpress.org/support/users/wysija/)
 * Last activity: [9 years, 11 months ago](https://wordpress.org/support/topic/sudden-error-sending-preview-message/#post-7449988)
 * Status: not resolved