Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
Chapter 2 Customizing Listeners
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Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
OL-23081-01
LDAP Options
To access the LDAP options, expand the section by clicking on LDAP Options in
the listing.
the listing.
The LDAP options settings for listeners are used to enable LDAP queries on the
listener. You must create the LDAP query first, before using this option. Each type
of query (Accept, Routing, Masquerade, Group) has a separate subsection. Click
the type of query to expand the subsection.
listener. You must create the LDAP query first, before using this option. Each type
of query (Accept, Routing, Masquerade, Group) has a separate subsection. Click
the type of query to expand the subsection.
For more information about creating LDAP queries, see
Accept Queries
For Accept queries, select the query to use from the list. You can specify whether
the LDAP Accept occurs during the work queue processing or during the SMTP
conversation.
the LDAP Accept occurs during the work queue processing or during the SMTP
conversation.
For LDAP Accept during the work queue processing, specify the behavior for
non-matching recipients: bounce or drop.
non-matching recipients: bounce or drop.
For LDAP Accept during the SMTP conversation, specify how to handle mail if
the LDAP server is unreachable. You can elect to allow messages or drop the
connection with a code and custom response. Finally, select whether or not to drop
connections if the Directory Harvest Attack Prevention (DHAP) threshold is
reached during an SMTP conversation.
the LDAP server is unreachable. You can elect to allow messages or drop the
connection with a code and custom response. Finally, select whether or not to drop
connections if the Directory Harvest Attack Prevention (DHAP) threshold is
reached during an SMTP conversation.
Performing recipient validation in the SMTP conversation can potentially reduce
the latency between multiple LDAP queries. Therefore, you might notice an
increased load on your directory server when you enable conversational LDAP
Accept.
the latency between multiple LDAP queries. Therefore, you might notice an
increased load on your directory server when you enable conversational LDAP
Accept.