HP-UX Mailing Services Administrator's Guide

Sendmail 8.13.3
New Features in Sendmail 8.13.3
Chapter 3116
To make the dns database-map more useful, you can also use the
switches described in Table 3-2.
NS Returns a name server record (RFC 1035)
PTR Returns the host name that corresponds to an IP record
(RFC 1035)
SRV Returns the port to use for a service (RFC 2782)
TXT Returns general (human-readable) information (RFC
1035)
Table 3-1 Supported DNS Queries (Continued)
-R Value Description
Table 3-2 The dns Database-Map Type K Command Switches
Switch Description
-A Appends values for duplicate keys.
-a Appends tag on successful match.
-d Denotes the res_search()_res.retry interval.
-f Informs Sendmail not to fold keys to lowercase.
-m Suppresses replacement on match.
-N Appends a null byte to all keys.
-O Specifies Sendmail not to add a null byte.
-o Specifies an optional database map.
-q Informs Sendmail not to strip quotes from the key.
-R Specifies the record type to look up.
-r Denotes the rs_search()_res.retries limit.
-T Denotes the suffix to append on temporary failure.
-t Informs Sendmail to ignore temporary errors.