/etc/postfix/master.cf

master.cf - Postfix master process configuration file format

Beschreibung

The Postfix mail system is implemented by small number of (mostly) client commands that are invoked by users, and by a larger number of services that run in the background.

Postfix services are implemented by daemon processes. These run in the background, started on-demand by the master(8) process. The master.cf configuration file defines how a client program connects to a service, and what daemon program runs when a service is requested. Most daemon processes are short-lived and terminate voluntarily after serving max_use clients, or after inactivity for max_idle or more units of time.

All daemons specified here must speak a Postfix-internal protocol. In order to execute non-Postfix software use the local(8), pipe(8) or spawn(8) services, or execute the software with inetd(8) or equivalent.

After changing master.cf you must execute "postfix reload" to reload the configuration.

Syntax

The general format of the master.cf file is as follows:

• Empty lines and whitespace-only lines are ignored, as are lines whose first non-whitespace character is a `#'.
• A logical line starts with non-whitespace text. A line that starts with whitespace continues a logical line.
• Each logical line defines a single Postfix service. Each service is identified by its name and type as described below. When multiple lines specify the same service name and type, only the last one is remembered. Otherwise, the order of master.cf service definitions does not matter.

Each logical line consists of eight fields separated by whitespace. These are described below in the order as they appear in the master.cf file.

Where applicable a field of "-" requests that the built-in default value be used. For boolean fields specify "y" or "n" to override the default value.

Testfragen

Testfrage 1

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Testfrage 2

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Testfrage 3

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