How to change default root@ email address linux / postfix / centos?

Change root@hostname to different email address

 

By default, any email sent by system is sent to root@hostname. So critical server errors, log errors, corn jobs alerts e.t.c all are sent to this default email address. To change it to different appropriate email id, we can do this by two ways.

 

By updating email aliases file:

For this example, lets set email to system@mydomain.com

Step 1 : edit /etc/aliases file 

 

$ vi /etc/aliases

 

Add email ids at the bottom of the file.

 

root: system@mydmomain.com

To add multiple email ids, we can simply separate them by comma.

root: system@mydomain.com, linux@mydomain.com

linux@mydomain.com is second email id 

 

Step 2: Run the aliases command, to compile aliases file. 

$ newaliases

Step 3: Restart postfix server.

service postfix restart

 

Second way:

We can simply create .forward file to the folder root and add email address there.

$ vi /root/.forward
system@mydomain.com

Restart postfix server
$ service postfix restart.

 

That’s it. Enjoy!

 

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