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Managing Accounts and Domains 77

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Using LDAP to Authenticate Message Recipients

This section describes how to configure your Barracuda Spam Firewall to use an LDAP server for

user authentication. LDAP allows your Barracuda Spam Firewall to verify that the recipients of

incoming e-mail are valid users.

This section contains the following topics:

• Using LDAP for User Authentication on page 77

• Impact of a Down LDAP Server on page 80

• Common LDAP Settings for Standard Mail Servers on page 80

Using LDAP for User Authentication

To enable your Barracuda Spam Firewall to authenticate users using LDAP:

1. Select Domains > Domain Manager.

2. In the Actions column, click Edit LDAP next to the domain that you want to use LDAP

authentication.

3. Scroll to Edit LDAP settings section and fill in the required information.

The following table describes the fields on this page.

Global Quarantine Email Address Specifies the address for the global quarantine e-mail address for

the domain. For more information, refer to Specifying the Global

Quarantine Settings on page 48.

Spam Scan Enabled, Virus Scan

Enabled

Lets you enable or disable spam and virus checking for the

domain.

Spoof Protection Whether the Barracuda Spam Firewall prevents outside individuals

from sending mail using your domains as the “from” address.

Setting this option to Yes blocks all e-mail addressed from a

domain for which the Barracuda Spam Firewall receives e-mail.

You should only enable this option if all e-mail from your domains

goes directly to your mail server and not through the Barracuda

Spam Firewall.

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Barracuda Networks 4 Guia de Instalação Página 77