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All email notifications are not sending out

This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.


Email notifications are not being sent for all Client and Email Events.


  • No relevant errors were found in the host server and event viewer logs
  • There are no issues with the SMTP server as well.

Troubleshooting Steps

In the K2HostServer.exe.config file (<InstallDrive>:\Program Files (x86)\K2 blackpearl\Host Server\Bin), please ensure the following:

1. The value in self node is pointing to the correct email account. 

<system self="K2:DENALLIX\K2Service" enableListeners="false" allowAmbiguity="true" />

2. The value in sendmailfrom belongs to the email account specified above. Both values must match