Sendmail 8.9.3 Release Notes

Chapter 1 9
New and Changed Features
New Features
New Features
The following are the new features in Sendmail 8.9.3:
Sendmail using LDAP
Sendmail-8.9.3 supports theuse of the LDAP protocol for address lookup.
The ldapx class (database) is used to lookup items in the ldap directory
service.
The syntax of this directive in the sendmail configuration file,
sendmail.cf file is as shown:
Kldap ldapx -k"uid=%s" -v"mail" -h"ldap_server_name"
-b"o=organization, c=US"
Lookups via LDAP are entirely defined by the switches specified. There
are four switches that are widely used by most applications. The four
switches are:
Table 1-1
Switch Definition Description
-b ldap search base "Directory" in the ldap
"tree" where searching
begins.
-h ldap servers Space separated string of
servers that support ldap at
your site.
-k ldap search string
(key)
String that defines how the
ldap map takes it’s input
value and constructs an
ldap search.
-v ldap attribute The value that replaces the
origin string in the map. In
most cases this will be the
rfc822 email address.