How to configure the sender in email

Hi!

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

bye!
Sven Sternberger Tel.: +49 (0) 40 8998 4397
Desy Email: sven.sternberger@desy.de
Notkestr. 85
D-22607 Hamburg

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

seph