How to solve send mail: ora-29279 smtp issue?

@jerad 

1. Check your SMTP server settings: Make sure that you have correctly configured the SMTP server settings in your database. This includes the server address, port number, authentication credentials, and secure connection settings.
2. Test the SMTP connection: Use a tool like telnet or a third-party SMTP testing tool to verify that you can connect to the SMTP server from the machine where your database is running. This will help you determine if the issue is with the SMTP server or your database configuration.
3. Check for network/firewall issues: Ensure that there are no network or firewall restrictions preventing your database from connecting to the SMTP server. Make sure that the necessary ports are open and that any security software is not blocking the connection.
4. Verify SMTP settings in your code: If you are sending emails programmatically, double-check the SMTP settings in your code to ensure that they match the settings configured in your database. Correct any typos or errors in the SMTP settings.
5. Check for email restrictions: Some SMTP servers have restrictions on the number of emails that can be sent in a certain time period or the size of attachments that can be sent. Make sure that you are not hitting any of these limits when sending emails from your database.
6. Consult the Oracle documentation: If you are still unable to resolve the issue, refer to the Oracle documentation for the ORA-29279 error code for more specific troubleshooting steps and solutions.
7. Contact your SMTP server provider: If none of the above steps resolve the issue, reach out to your SMTP server provider for assistance. They may be able to provide further insight or support in troubleshooting the problem.