RE: [Exim] Exim: Hiding ip addess from bounced message.

Hi

> How do I make this to display the servername instead of the ip. The
following is the bounced message, I recieved on the sending side (my
personal yahoo mail)

You simply can't. Except you can change yahoos configuration. This message
is generated by yahoo.
The once thing you can configure is: "550 unknown user"

cu

Steffen