Introduction to sendmail in Linux-Linux Enterprise Application-Linux server application information. For more information, see below. Sendmail is an email system. During installation, the default configuration file sendmail. cf will be installed under/etc. This configuration file can work only for SMTP sites. It cannot work on UUCP sites. If you want to use UUCP for mail Transmission, You have to generate a new sendmail. cf. In this case, you need to install the m4 and sendmail source code packages. Please read README in sendmail source code to obtain more detailed methods for creating snedmail configuration files. You can also see a good reference book on sendmail published by o'reilly & Associates (by Bryan Costales ).
A common sendmail configuration uses one machine as the Mail Gateway for all hosts in the network. For example, in Red Hat software, we have a machine named mail.redhat.com to process all our emails. We only need to simply add the name of the machine mail.redhat.com whose email is to be processed to/etc/sendmail. cw. The following is an example of this file:
