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Cloud Pak for Security: Email authentication credentials invalid

Troubleshooting


Problem

When trying to configure email fn_outbound_email to work in Cloud Pak for Security (CP4S) [now known as QRadar Suite], we get authentication failed error:
"An error occurred while sending the email: (535, b'Authentication credentials invalid')"

Cause

The 535 errors are coming back from you SMTP server and would suggest a problem with the credentials used. If this happened with no changes being made to the app.config, then could the problem be an AD/SMTP account.

Diagnosing The Problem

You could try using curl to send an SMTP email using the same credentials as the app. You could run this from the App Host server to try sending an attachment to an email address: 
curl --ssl smtp://mail.example.com --mail-from self@example.com \
     --mail-rcpt receiver@example.com --upload-file email.txt \
     --user 'user@account.com:your-password'
Note: An example email.txt could look like this: 
From: John Doe <john@example.com> 
To: Jane Doe <jane@example.com> 
Subject: an example email 
Date: Wed, 7 Mar 2024 16:07:00 
How you doing?
If it fails using the same credentials configured in the app.config, it would suggest a username and password problem.

Resolving The Problem

  1. Verify the credentials are valid.
  2. Verify the email account has not expired.

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB24","label":"Security Software"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSTDPP","label":"IBM Cloud Pak for Security"},"ARM Category":[{"code":"a8m3p000000PCPxAAO","label":"OpenShift"}],"ARM Case Number":"TS009722020","Platform":[{"code":"PF118","label":"Red Hat OpenShift Platform"}],"Version":"All Versions"}]

Document Information

Modified date:
27 March 2024

UID

ibm17145396

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