September 2004
Intermediate to advanced
192 pages
10h 12m
English
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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
ldapdatabase-map switches have been added:-w(Section 23.1.1.1 [V8.13]) allows you to specify the LDAP API/protocol version to use;-H(Section 23.1.1.2 [V8.13]) allows you to specify an LDAP URI instead of specifying the LDAP server with both the-hhost (23.7.11.4[3ed]) and-pport (23.7.11.9[3ed]).[30]LDAP Recursion has been added (Section 23.1.2[V8.13]) with support for the
AliasFileoption (24.9.1[3ed]) and class macros.The
ldap_routingfeature’s third argument may now be a literalsendertooto reject nonexistent envelope sender addresses. (Section 23.1.3 [V8.13])The
ldap_routingfeature 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
dnsblfeature (7.2.1[3ed]) no longer uses thehostdatabase-map type to look up addresses. Instead, it now uses thednsdatabase-map type (Section 9.1.1 [V8.13]). TheDNSBL_MAP_OPTmcmacro (Section 9.1.1 [V8.13]) has been added to help tune the use of thednsdatabase-map type with thednsblfeature. (These new ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.