Disable send mail on IBM AIX

This procedure describes how to disable Sendmail in IBM® AIX® to free up port 25 for use with IBM Workplace Messaging®.

1. To stop the Sendmail process, find the Sendmail process id by performing one of these actions:
* Use the ps command to get a list of processes.
* Read the process id in the file /etc/sendmail.pid.
2. Stop the Sendmail process by typing this command and the process id, for example:

kill -9

3. Verify that Sendmail is stopped by typing this command:

Ps -eaf | grep sendmail

4. To keep Sendmail from restarting when the server is restarted, perform these steps:
1. Navigate to the /etc directory and look for rc.* files.
2. Using a text editor, open either the rc.d or rc.local file.
3. Use a number sign (#) to comment out the line that starts Sendmail.
4. Save the file.
5. Restart the server.
6. Start the Messaging SMTP inbound service.