You need to recommend a solution to minimize the number of remote SMTP hosts that identify email messages sent by Margie's Traval users as spam. What should you include in the recommendation?

Question

Options

• Aa service location (SRV) record in the public DNS zone of the margiestravel.com domain
• Ba service location (SRV) record in the public DNS zone of the contoso.com domain
• Ca sender policy framework (SPF) record in the internal DNS zone of the margiestravel.com
• Da sender policy framework (SPF) record in the public DNS zone of the contoso.com domain
• Ea sender policy framework (SPF) record in the public DNS zone of the margiestravel.com
• Fa sender policy framework (SPF) record in the internal DNS zone of the contoso.com domain

• B
  2% (1)
• C
  11% (5)
• D
  7% (3)
• E
  77% (34)
• F
  2% (1)

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