How to configure the sender in email


I´m looking for a way to set the sender field in the mail
header, today i get a field like this

Sender: apache account <wwwrun@mail.$m>

thanx for help

Sven Sternberger Tel.: +49 (0) 40 8998 4397
Desy Email:
Notkestr. 85
D-22607 Hamburg

Information about the Sender header of rt generated emails can be
found in rtfm.