Discuss the Postfix master daemon.
What will be an ideal response?
The Postfix master daemon /usr/lib/postfix/master is started directly by Postfix when the system is booted and is terminated only when the system goes down or if Postfix is stopped.
The Postfix master daemon is normally configured once only as the e-mail system is set up and is usually never changed.
The master daemon monitors the entire mail system:
* It controls and monitors individual Postfix processes.
* It adheres to configured resource limits, which were defined in the master.cf file.
* It restarts killed Postfix processes.
The Postfix master daemon is configured in the /etc/postfix/master.cf file. Each line in the file contains an entry for one Postfix process. The behavior of each process is defined by the configuration in the respective line.
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