Merge pull request MicrosoftDocs#8407 from SeanMSFT/patch-4

Update Set-OutboundConnector.md

Author: chrisda

exchange/exchange-ps/exchange/Set-OutboundConnector.md

@@ -37,6 +37,7 @@ Set-OutboundConnector [-Identity] <OutboundConnectorIdParameter>
  [-Name <String>]
  [-RecipientDomains <MultiValuedProperty>]
  [-RouteAllMessagesViaOnPremises <Boolean>]
+ [-SenderRewritingEnabled <Boolean>] 
  [-SmartHosts <MultiValuedProperty>]
  [-TestMode <Boolean>]
  [-TlsDomain <SmtpDomainWithSubdomains>]
@@ -332,6 +333,25 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -SenderRewritingEnabled
+The SenderRewritingEnabled parameter specifies that all messages that normally qualify for SRS rewritting are rewritten for traffic to on-premises. This parameter is only effective for OnPremises connectors as Partner connectors already have SRS rewritting enabled. Valid values are:
+
+- $true: Messages are rewritten by SRS if they need to be before being routed through the on-premises messaging system. This setting requires you to set the ConnectorType parameter to the value OnPremises in the same command.
+- $false: Messages aren't rewritten by SRS before being routed through the on-premises messaging system. This is the default value.
+
+```yaml
+Type: Boolean
+Parameter Sets: (All)
+Aliases:
+Applicable: Exchange Online, Exchange Online Protection
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -SmartHosts
 The SmartHosts parameter specifies the smart host that the Outbound connector uses to route mail. Valid values are: