Sendmail

In this section we'll look at how we can configure sendmail to enable it to be used for mail delivery on our system. This has traditionally been a very awkward task to perform. The main reason for this concerns the configuration file itself, /etc/mail/sendmail.cf—it contains everything required to get the mail system functioning, but is notoriously difficult to set up.

Originally, there was only one way to create the correct sendmail.cf. This was by copying an existing (functioning) or template file, working through it, and editing it as required. Two template files (main.cf and subsidiary.cf) were, and still are, included to help with this should you still want to follow that procedure—you'll find them in /etc/mail. When the operating ...

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