When trying to process broadcast or sharing a report by email, error "Invalid Addresses" is displayed.

When validating the "Outgoing Mail Server" settings, it fails with errors:

javax.mail.SendFailedException: Invalid Addresses; 
nested exception is: 
com.sun.mail.smtp.SMTPAddressFailedException: 454.4.7.1 <email address> 
'Relay Access denied'

or

Connection Failed
javax.mail.SendFailedException: Invalid Addresses;
nested exception is:
com.sun.mail.smtp.SMTPAddressFailedException: 553 5.7.1 <sender email address>: 
Sender address rejected: not owned by user <SMTP Authentication Username>

This knowledge article may contain information that does not apply to version 21.05 or later which runs in a container environment. Please refer to Article Number 000385088 for more information about troubleshooting BMC products in containers.

For the error "Relay Access denied", follow the next steps to enable "SMTP Authentication":
1. Log in to Smart Reporting with "siadmin" user into the "Default" organization using the direct URL:
- External Tomcat: http(s)://<SmartReporting_host>:<port>/SmartReporting
- Bundled Tomcat: http(s)://<SmartReporting_host>:<port>
2. Go to Administration > Configuration > Email
3. Expand "Outgoing Email Server"
4. Enable the option "SMTP Authentication"
5. Provide username and password and save the configuration
6. Then test with an email address, this should fix the error.


For the error "Sender address rejected", follow the next steps to enable "Custom Share Email Sender" to use a valid sender email address:
1. Log in to Smart Reporting with any administrator account to the desired client organization or log in with "siadmin" user into the "Default" organization using the direct URL:
- External Tomcat: http(s)://<SmartReporting_host>:<port>/SmartReporting
- Bundled Tomcat: http(s)://<SmartReporting_host>:<port>
2. Go to Administration > Configuration > Email
3. Expand "General Settings"
4. Enable "Custom Share Email Sender"
5. Provide a display name in "Share Email Display Name" field
6. In "Share Email Address", use an email address using the same domain as the account name used in "SMTP Authentication"
7. Save the changes