You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.During routine monitoring you discover that a remote SMTP server rejects e-mail messages sent from your company.You receive an instruction from management to identify the reason for this dilemma. What should you do？（）

• A、You should consider having the message tracking logs reviewed.
• B、You should consider having the Protocol logging level set to Verbose on the Receive connectors.Thereafter the protocol log files should be reviewed.
• C、You should consider having the Protocol logging level set to Verbose on the Send connectors.
• D、You should consider having the application event logs reviewed.