12 and later).
-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 This database map is optional.
-q ?§23.3.11 on page 889 Don??™t strip quotes from key.
-R Previous paragraphs Record type to look up.
-r ?§24.9.119.22 on page 1108 The res_search( ) _res.retries limit (V8.12 and later).
-T ?§23.3.13 on page 890 Suffix to append on temporary failure.
-t ?§23.3.14 on page 891 Ignore temporary errors.
-Z ?§23.7.6.2 on page 908 The maximum number of returned entries to form a lookup result (V8.14 and
later).
-z ?§23.7.6.3 on page 908 The delimiter to use to delimit multiple returned entries (V8.14 and later).
* We are clutching at straws here for an example. Note that sendmail already does all this for you and puts the
result in the ${client_resolve} macro (?§21.9.25 on page 814).
Table 23-11. The dns database-map type -R switch query values (continued)
-R Value Means
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
23.7 Alphabetized Database-Map Types | 907
LOCAL_CONFIG
Krlookup dns -RPTR -a.FOUND -d5s -r2
LOCAL_RULESETS
Local_check_relay
R $* $: $&{client_addr}
R IPv6: $* $# OK
R $+.
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