Cisco Cisco Email Security Appliance C690 User Guide

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Cisco IronPort AsyncOS 7.5 for Email Daily Management Guide
OL-25138-01
Chapter 4      Quarantines
Configuring the IronPort Spam Quarantines Feature
have the server connect on the “Global Catalog port” (it is in the 6000s) and you 
need to create a low privilege LDAP user that the IronPort Spam quarantine can 
bind as in order to execute the search.
Step 3
The IronPort Spam quarantine then searches for the user using the specified 
BaseDN and Query String. When a user’s LDAP record is found, the IronPort 
Spam quarantine then extracts the DN for that record and attempts bind to the 
directory using the user records’ DN and the password they entered originally. If 
this password check succeeds then the user is properly authenticated, but the 
IronPort Spam quarantine still needs to determine which mailboxes’ contents to 
show for that user.
Step 4
Messages are stored in the IronPort Spam quarantine using the recipient's 
envelope address. After a user's password is validated against LDAP, the IronPort 
Spam quarantine then retrieves the “Primary Email Attribute” from the LDAP 
record to determine which envelope address they should show quarantined 
messages for. The “Primary Email Attribute” can contain multiple email 
addresses which are then used to determine what envelope addresses should be 
displayed from the quarantine for the authenticated user.
IMAP/POP Authentication
The authentication process for IMAP/POP works like this:
Step 1
Depending on your mail server configuration, a user enters their username (
joe
or email address (
joe@example.com
) and password into the web UI login page. 
You can modify the Login Page Message to tell your users whether they should 
enter a full email address or just their username (see 
Step 2
The IronPort Spam quarantine connects to the IMAP or POP server and uses the 
entered login (either username or email address) and password to try to log into 
the IMAP/POP server. If the password is accepted then the user is considered 
authenticated and the IronPort Spam quarantine immediately logs out of the 
IMAP/POP server.
Step 3
Once the user is authenticated, the IronPort Spam Quarantine lists email for the 
user, based on the email address:
  –
If you have configured the IronPort Spam quarantine to specify a domain 
to append to bare usernames (like 
joe
), then this domain is appended and 
that fully qualified email address is used to search for matching 
envelopes in the quarantine.