Rewriting the From header field would not help with protecting your ip address from getting blacklisted when the receiver of that mail marks it as spam as your ip address will still be the one that transmitted that e-mail, but might make the receiver realize it is being forwarded.

You can use postfix header_checks feature to rewrite the From header. 1

Forwarding also breaks SPF and this article might give you another perspective into the same problem

Rewriting the From header field would not help with protecting your ip address from getting blacklisted when the receiver of that mail marks it as spam as your ip address will still be the one that transmitted that e-mail, but might make the receiver realize it is being forwarded.

You can use postfix header_checks feature to rewrite the From header. 1

Forwarding also breaks SPF and this article might give you another perspective into the same problem