Start / Stop / Restart Postfix Mail Server

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To start, stop, or restart the Postfix mail server on a Linux system, you can use the systemctl command if your system uses systemd as the init system. Here are the commands you can use:

  1. To start Postfix, run the following command:
    systemctl start postfix
  2. To stop Postfix, run the following command:
    systemctl stop postfix
  3. To restart Postfix, run the following command:
    systemctl restart postfix
  4. To check the status of Postfix, run the following command:
    systemctl status postfix

If your Linux system uses a different init system, such as SysV, the commands to start, stop, and restart Postfix may be different. Here are the commands you can use in that case:

  1. To start Postfix, run the following command:
    /etc/init.d/postfix start
  2. To stop Postfix, run the following command:
    /etc/init.d/postfix stop
  3. To restart Postfix, run the following command:
    /etc/init.d/postfix restart
  4. To check the status of Postfix, run the following command:
    /etc/init.d/postfix status

Note that the exact location of the postfix init script may vary depending on your Linux distribution. If you’re not sure where the script is located, you can search for it using the find command. For example:

find / -name "postfix"

This command will search for the postfix script in all directories on the system.

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