On Sat, 06 Dec 2003 10:29:28 -0800, you wrote:

>hello,
>
>Due to having false positives from Outlook 2003 (my business partner will just NOT 
>move off of Outlook) I whitelisted 
>our domain in my local.cf file.
>
>The trouble I'm having is that lots of folks are spoofing the [EMAIL PROTECTED] 
>address, as shown below :
>
>FROM: "Microsoft Network Message Delivery Service" <[EMAIL PROTECTED]>
>
>This results in a -87 score.  How can I guard against this, or change my 
>honest-to-goodness mail from MAILER-
>DAEMON to read something else, like mymailer-daemon ???  Is there a  setting in 
>sendmail that I can change to allow 
>me to blacklist [EMAIL PROTECTED]  ???
>
>Thanks in advance for your help.
>
>Mairhtin O'Feannag
>

Not exactly what you asked for, but my solution is a subtle x-header
that I have a -100 rule for.  Too many people try to spoof the
standard headers in too many different ways...

I'm not familiar with outlook, but if you can set up any header
fields, you might think about it.

Mike-

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