This
flag should never be set in the conf.c file.
25.7 Headers and mc Configuration
V8 sendmail offers a number of m4 macros for use in your mc configuration file that
deal directly with headers. They are shown in Table 25-5.
25.8 Headers by Category
The sendmail program contains an internal list of header names that are organized
conceptually into categories. The names and categories are defined in conf.c (?§25.6
on page 1138). Eachcategory is defined by one or more H_ flags in that file, the
names of which are listed under the Flags column of all the tables that follow.
25.8.1 Recommended Headers
Every sendmail.cf file should have a minimal complement of header definitions. Here
we present a recommendation. Don??™t use this as is. The details are not generic to all
versions of sendmail, nor are they appropriate for all sites:
H?P?Return-Path: $g
HReceived: $?sfrom $s $.by $j ($v/$V) id $i; $b ?†? mandatory
H?D?Date: $a ?†? mandatory
H?F?From: $q ?†? mandatory
H?x?Full-Name: $x
Table 25-5. Header-related mc macros
Macro ?§ Sets what
confFROM_HEADER ?§25.12.19 on page 1157 Define the format for the From: header.
confRECEIVED_HEADER ?§25.12.30 on page 1162 Define the format for the Received: header.
confOLD_STYLE_HEADERS ?§24.9.82 on page 1061 Declare the OldStyleHeaders option.
confMAX_HEADERS_LENGTH ?§24.9.66 on page 1045 Declare the MaxHeadersLength option.
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