Merge pull request MicrosoftDocs#10558 from MicrosoftDocs/chrisda

RejectMessageReasonText and GenerateNotification

Author: chrisda

exchange/exchange-ps/exchange/New-TransportRule.md

@@ -3218,6 +3218,8 @@ This parameter supports plain text, HTML tags and the following keywords that us
 - %%Headers%%
 - %%MessageDate%%
 
+The maximum number of characters is 5120.
+
 ```yaml
 Type: DisclaimerText
 Parameter Sets: (All)
@@ -4075,7 +4077,7 @@ This parameter specifies an action or part of an action for the rule.
 
 In on-premises Exchange, this action is only available on Mailbox servers.
 
-The RejectMessageReasonText parameter specifies the explanation text that's used when the rule rejects messages. If the value contains spaces, enclose the value in quotation marks (").
+The RejectMessageReasonText parameter specifies the explanation text that's used when the rule rejects messages. The maximum number of characters is 1024. If the value contains spaces, enclose the value in quotation marks (").
 
 You can use this parameter with the NotifySender parameter for a custom non-delivery report (also known as an NDR or bounce message).
 

exchange/exchange-ps/exchange/Set-TransportRule.md

@@ -3197,6 +3197,8 @@ This parameter supports plain text, HTML tags and the following keywords that us
 - %%Headers%%
 - %%MessageDate%%
 
+The maximum number of characters is 5120.
+
 ```yaml
 Type: DisclaimerText
 Parameter Sets: (All)
@@ -4070,7 +4072,7 @@ This parameter specifies an action or part of an action for the rule.
 
 In on-premises Exchange, this action is only available on Mailbox servers.
 
-The RejectMessageReasonText parameter specifies the explanation text that's used when the rule rejects messages. If the value contains spaces, enclose the value in quotation marks (").
+The RejectMessageReasonText parameter specifies the explanation text that's used when the rule rejects messages. The maximum number of characters is 1024. If the value contains spaces, enclose the value in quotation marks (").
 
 You can use this parameter with the NotifySender parameter for a custom non-delivery report (also known as an NDR or bounce message).