Please I need some clarification as to this statement in this article below
4. The Reply-To . The Reply-To header is added when the originator of the message wants any replies to the message to go to that particular email address rather than the one in the From: address. This usually shows up as a separate field in the email client. There is no technique (SPF, DKIM, DMARC, or any other technology) that protects the Reply-To header.