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Sendmail

Note: This page is quite old and is likely out of date. My opinions may have also changed dramatically since this was written. It is here as a reference until I get around to updating it.

Consider Postfix instead. It was written with security in mind.

Installation

yum install sendmail -y

Configure

Any configuration changes need to be re-compiled by the m4 processor. This is available in the sendmail-cf package which can be install using the following command:

yum install sendmail-cf -y