Exchange must not send delivery reports to remote domains.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| Exch-ED-220 | Exch-ED-220 | Exch-ED-220_rule | Medium |
| Description |
|---|
| Attackers can use automated messages to determine whether a user account is active, in the office, traveling, and so on. An attacker might use this information to conduct future attacks. Ensure that delivery reports to remote domains are disabled. Before enabling this setting first configure a remote domain using the EMC or the New-RemoteDomain cmdlet. |
| STIG | Date |
|---|---|
| Microsoft Exchange 2010 Edge Transport Server Role | 2012-05-31 |
Details
| Check Text ( C-_chk ) |
|---|
| Open the Exchange Management Shell and enter the following command. Get-RemoteDomain | select identity, DeliveryReportEnabled If the value of "DeliveryReportEnabled" is not set to "False", this is a finding. |
| Fix Text (F-_fix) |
|---|
| Open the Exchange Management Shell and enter the following command. Set-RemoteDomain -Identity <'RemoteDomainName'> -DeliveryReportEnabled $false |