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300-720 · Question #134
300-720 Question #134: Real Exam Question with Answer & Explanation
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Cisco ESA LDAP, Mail Policies, and Authentication
Question
An engineer must limit responses from the gateway that are directed to invalid email addresses. How should the LDAP server be configured to accomplish this goal?
Options
- AValidate the sender email address via an LDAP query during the SMTP conversation.
- BValidate the sender email address via SMTP Call-Ahead to query an external SMTP server.
- CLimit the number of invalid recipients per sender to stop responses after crossing the threshold.
- DLimit the number of invalid responses per recipient to stop responses after crossing the threshold.
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Topics
#LDAP integration#Recipient Validation#Directory Harvest Attack Prevention#Mail Policies