Vulnerability V-228385

Review the Email Domain Security Plan (EDSP) or document that contains this information. Determine the maximum message send size. Open the Exchange Management Shell and enter the following command: Get-SendConnector | Select Name, Identity, MaxMessageSize For each Send connector, if the value of "MaxMessageSize" is not the same as the global value, this is a finding. or If "MaxMessageSize" is set to a numeric value different from the maximum message send size value documented in the EDSP, this is a finding.

Update the EDSP to specify the "MaxMessageSize" value or verify that this information is documented by the organization. Open the Exchange Management Shell and enter the following command: Set-SendConnector -Identity <'IdentityName'> -MaxMessageSize <MaxSendSize> Note: The <IdentityName> value must be in single quotes. or Enter the value as identified by the EDSP that has obtained a signoff with risk acceptance. Repeat the procedures for each Send connector.