How to redirect local root mail to an email address with Postfix

After you install postfix, then you may wnat to have root’s email sent to a real email address. This will help to send cron jobs to you.

Edit the /etc/aliases file and add your username and external email address.

# root:

Now run this command:-

# newaliases

Now restart Postfix:-

# service postfix restart

and to test, run the following command:-

# echo test | mail -s "test message" root

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