试题详情
- 单项选择题 You deploy a new Exchange Server 2010 organization.You send a test message to an external recipient and immediately receive the following nondelivery report （NDR）： Delivery has failed to these recipients or groups： User1@contoso.com （user1@contoso.com）. The recipient’s e-mail system isn’t accepting messages now.Please try resending this message later or contact the recipient directly.± You verify that you can succesfully send an e-mail message to User1@contoso.com from an external e-mail system.You need to ensure that you can send e-mails to external recipients from within the Exchange organization. What should you create？（）
A、a Send connector
B、an accepted domain
C、an MX record
D、an SMTP site link
- A
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