change the from line in mailman version 2.1.11.cp3

[audrey]

Hi

How do I change the from line in mailman version 2.1.11.cp3
for a specific list - not globally

Thanks
Audrey

[audrey]

To Be More Specific

I want to remove this info

nameoflist-bounces@xxxxxxx.com; on behalf of

I know how to change the name of the list

Thanks
Audrey