Nathan,

I tried that. The "Sender:" line still came through. Is there some other
config parameter that might be overriding it?

 - Mark

On Wed, 20 Feb 2008 15:34:24 -0500, Nathan Brindle <[log in to unmask]> wrote:

>Sender= None
>
>At 03:23 PM 2/20/2008 -0500, you wrote:
>>Hi,
>>
>>I am trying to set up a series of lists meant to behave like sendmail
>>aliases. The idea is to have an address like [log in to unmask] and let
>>the department secretary control who gets mail sent to the address
>>(subscriber control).
>>
>>In general I've got this working. Setting "Default-Options=IETFHDR" helped a
>>lot. The problem is that certain email clients (meaning Outlook) take it
>>upon themselves to read the "Sender:" header line and display it in the
>>"From" field as "<Sender:> on behalf of <From:>.
>>
>>Seems like typical Microsoft making their own rules to me, but Outlook is so
>>common I have to deal with it.
>>
>>Thanks for any help.
>>
>> - Mark