Chapter 23. The K (Database-Map) Configuration Command

Database-maps can be used to look up information in databases, to perform transformations (such as dequoting), to perform computations, and to store values into macros.

What’s New with V8.13

V8.13 sendmail has expanded the roles of database-maps in the following ways:

  • Two new ldap database-map switches have been added: -w (Section [V8.13]) allows you to specify the LDAP API/protocol version to use; -H (Section [V8.13]) allows you to specify an LDAP URI instead of specifying the LDAP server with both the -h host ([3ed]) and -p port ([3ed]).[30]

  • LDAP Recursion has been added (Section 23.1.2[V8.13]) with support for the AliasFile option (24.9.1[3ed]) and class macros.

  • The ldap_routing feature’s third argument may now be a literal sendertoo to reject nonexistent envelope sender addresses. (Section 23.1.3 [V8.13])

  • The ldap_routing feature has had its arguments expanded from four to six. Support has been added to suppress an extra lookup of part of an unmatched address and to specify how to handle connection errors to and temporary failures from the LDAP server (Section 23.1.4 [V8.13]).

  • The dnsbl feature (7.2.1[3ed]) no longer uses the host database-map type to look up addresses. Instead, it now uses the dns database-map type (Section 9.1.1 [V8.13]). The DNSBL_MAP_OPT mc macro (Section 9.1.1 [V8.13]) has been added to help tune the use of the dns database-map type with the dnsbl feature. (These new ...

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