What is the best solution to prevent directory harvest attacks?

Question

Options

• ASpecify all of the legitimate mailbox addresses in the RAT.
• BEnable LDAP Accept.
• CCreate an access list as a content dictionary and match this resource, with a content filter, against
• DCreate an access list as a content dictionary and match this resource, with a message filter, against

• A
  3% (2)
• B
  79% (46)
• C
  12% (7)
• D
  5% (3)

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