How to set envelope sender (MAIL FROM) using exim

[Thomas Pircher]

Longman wrote:
> For some reason a system I mail ignores the From address
> and wants to reply to the return-path address despite there being no
> Sender header present and the From being valid and deliverable.

Ups, I think I have misunderstood you. Do you mean the user on the other
side presses the "reply" button and his mail program takes the return-path
instead of the From: address?

Maybe the solution is as simple as setting the Reply-To: header?

Thomas