Can you be more specific? Do you see any error messages when running Postler from a console and doing this?
And, if this is not sensitive information, could you share the From, To, CC and List-Post headers found in the message source? Accessible via right-click, View Source.
Can you be more specific? Do you see any error messages when running Postler from a console and doing this?
And, if this is not sensitive information, could you share the From, To, CC and List-Post headers found in the message source? Accessible via right-click, View Source.