Tuesday, April 8, 2014

Change Default MTA in RHEL 6 / Cent OS 6

By default Postfix is set as the default mail transfer agent in Redhat Enterprise Linux 6 and Cent OS 6 flavors.

However you can change the default Mail transfer Agent in RHEL 6 using the below commands.

* Install Sendmail if not yet installed.

# yum install sendmail -y

Change the default MTA.

# alternatives --config mta

There are 2 programs which provide 'mta'.
  Selection    Command
 + 1           /usr/sbin/sendmail.postfix
*  2           /usr/sbin/sendmail.sendmail
Enter to keep the current selection[+], or type selection number: 2

Congrats, now your default MTS is changed from postfix to Sendmail.


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