When a user is sending out an email using cognos, it is always being sent using user’s email instead of default sender email.
add following setting on Cognos dispatchers
alwaysUseDefaultSender , set value to TRUE
You can use below article to get more detail steps:
How to set the default email sender to a specific value in Cognos Analytics 11.
https://www.ibm.com/support/pages/how-set-default-email-sender-specific-value-cognos-analytics-11
PH05363: WHEN A USER IS SENDING AN EMAIL OUT IT IS ALWAYS BEING SENT FROMTHE EMAIL ADDRESS SPECIFIED IN THE DEFAULT SENDER AREA.
https://www.ibm.com/support/pages/apar/PH05363
PH24943: DEFAULT EMAIL SENDER NOT SET WITH CA 11.1.6
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