Go to financialreporting/bin folder on the FR web app server and double click on FRconfig.cmd.This will bring up the interface where you can edit this setting. This interface is called as Jconsole.
Run FRConfig.cmd (\Oracle\Middleware\EPMSystem11R1\products\financialreporting\bin) to open JConsole which allows to edit the SMTP server details.
JConsole ---> Mbeans ---> FinancialReporting ---> Attributes.
1. SMTP MailServer
2. SMTP ServerUserID
3. SMTP ServerPassword
4. SMTP Port
Method 2 :
Take the following steps to configure the SMTP/mail server:
Configuration Tool settings for mail server:
Start Hyperion EPM System Configurator,
Select Hyperion Foundation > Common Settings
Then click Next button. A pane appears: EPM system common settings
Insert SMTP Mail Server (and additional inputs if SMTP server requires authentication username/password).
Restart the following Workspace services: Agent & Web Application
You can also refer the below link to get the details from Installation and Configuration Gudie, navigate to page: 121 for "Configure Common Settings" section
Hope this information helpful.