Define sendmail Macros
Defined sendmail macros can be declared in your mc file. Those that are useful are listed in Table 21-5 on page 796. That section also describes the general technique of defining sendmail macros via m4. To illustrate, for example:
define(`BITNET_RELAY', `host.domain')causes the value
host.domain to be
assigned to an internal
sendmail macro (currently
$B).
Non-m4-specific defined
macros can be declared with the LOCAL_CONFIG
technique (LOCAL_CONFIG mc macro on
page 595).
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