No, most companies that get the special email treatment don't accept email from customers anyway. If I did it, I would have to set it manually. I don't know of

No, most companies that get the special email treatment don't accept email from customers anyway. If I did it, I would have to set it manually. I don't know of an email client that supports setting the From header to the address in the To header of the relied-to message, but it feels like something that would be fairly easy to do as a Thunderbird plugin or whatever.