2.2. Building sendmail

Unpacking the tar bundle will create a directory called sendmail-version / (e.g., sendmail-8.12.2). Under this directory, several subdirectories will appear. This layout has changed somewhat over time, but here is an explanation of some of the more important pieces of the source bundle:

sendmail This directory contains the source for the sendmail MTA itself. This directory is not self-contained; rather, information and source code in other parts of the distribution are necessary to compile the MTA.

mail.local This directory contains the source for the mail.local Local Delivery Agent (LDA). It also depends on other parts of the source distribution.

cf This directory contains all information necessary to build sendmail ...

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