TIBCO Spotfire Automation Services job Send email task fails with "System.Security.Authentication.AuthenticationException" exception.

TIBCO Spotfire Automation Services job Send email task fails with "System.Security.Authentication.AuthenticationException" exception.

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Article ID: KB0076403

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Updated On:

Products Versions
Spotfire Automation Services All Versions

Description

TIBCO Spotfire Automation services job(Send email task) may fail with the following error:

FAILED: Task X 'Send Email' failed with: Failed to send email using SMTP server 'xxxxxxxxx' from 'yyyyyyyyyyyyyy' to 'zzzzzzzzzzzzzzzzzzzzzz'.
Reason: System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure.
   at System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, Exception exception)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncReque


 

Resolution

This happens if useTls setting in Spotfire.Dxp.Worker.Automation.config file is Set to "True" as below to use Transport Layer Security (TLS) when connecting to the SMTP server.  
<smtp port="25" useTls="true" timeoutSeconds="100">
      <authentication useWindowsDefaultCredentials="false" username="" password="" />
      <certificates useCertificates="false" storeLocation="LocalMachine" storeName="My" serialNumber="" />
    </smtp>

By default this is false. To resolve the issue, change the useTls setting  to "False" as below in  Spotfire.Dxp.Worker.Automation.config file and import the Automation Services configuration. 
<smtp port="25" useTls="false" timeoutSeconds="100">
      <authentication useWindowsDefaultCredentials="false" username="" password="" />
      <certificates useCertificates="false" storeLocation="LocalMachine" storeName="My" serialNumber="" />
    </smtp>

Issue/Introduction

TIBCO Spotfire Automation Services job,Send email task fails with "System.Security.Authentication.AuthenticationException" exception.

Additional Information

Doc: Spotfire.Dxp.Worker.Automation.config file
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