This chapter describes the Auto-pilot configuration syntax. Auto-pilot configurations are much like programs, in that they support some simple loops and setting variables.
Comments start with a pound sign (#) and are terminated by the end of
line. Blank lines and initial spaces are ignored. Auto-pilot supports
two types of variable substitution: internal variables and environment
variables. Before executing a line of the script
replaced with the value of the internal variable VAR and
$VAR$ is replaced with the value of the environment variable
First we describe each directive in Directive Reference. Next, we present an example configuration used by Postmark in Configuration Example.