Quite a few database-map switches are available with this type. They are all listed in
Table 23-14.
The -d38.20 command-line switch(?§15.7.53 on page 568) can be used to observe this
type??™s lookups in more detail.
23.7.9 host
Internal table to store lookup hostnames V8.1 and later
The host database-map type is a special internal database used by sendmail to help resolve
hostnames. It is fully described under the $[ and $] operators in ?§23.4.3 on page 895.
Only a few database-map switches are available with the host type, and they are listed in
Table 23-15.
Table 23-14. The hesiod database-map type K command switches
Switch ?§ Description
-A ?§23.3.1 on page 886 Append values for duplicate keys.
-a ?§23.3.2 on page 887 Append tag on successful match.
-D ?§23.3.3 on page 887 Don??™t use this database map if DeliveryMode=defer.
-f ?§23.3.4 on page 887 Don??™t fold keys to lowercase.
-m ?§23.3.7 on page 888 Suppress replacement on match.
-N ?§23.3.8 on page 889 Append a null byte to all keys.
-O ?§23.3.9 on page 889 Never add a null byte.
-o ?§23.3.10 on page 889 The network database map is optional.
-q ?§23.3.11 on page 889 Don??™t strip quotes from key.
-S ?§23.3.12 on page 890 Space replacement character.
-T ?§23.3.13 on page 890 Suffix to append on temporary failure.
-t ?§23.3.14 on page 891 Ignore temporary errors.
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