Yeah, Liam is right about the false positives, but in some cases there's just so much spam that taking the time to weed it out is nearly as bad as just dumping it on the spam filter's say-so.  It's a trade-off no matter what you do.

Nathan

At 10:43 AM 11/24/2006 -0500, Christopher Wilson wrote:
>You're preaching to the choir, Nathan.
>
>Unfortunately, there are people that were/are concerned about false-positives from the spam filters, so we just flag the messages, and let the user enable filtering to a "Spam" folder if they so desire. Fortunately, neither bandwitdth or cycles are issues.
>
>-CW
>
>Christopher Wilson
>ISS Enterprise Systems
>The George Washington University
>801 22nd St, NW 
>Washington, DC 20052
>[log in to unmask]
>
>----- Original Message -----
>From: Nathan Brindle <[log in to unmask]>
>Date: Friday, November 24, 2006 10:28 am
>Subject: Re: ListServ 14.5 question
>To: [log in to unmask]
>
>
>> Yes, but why not drop it as soon as it's determined to be spam?
>>
>> By sending it on instead of dropping it, all you're doing is wasting 
>> bandwidth and cycles.
>>
>> Nathan
>>
>> At 09:56 AM 11/24/2006 -0500, you wrote:
>> >Or, depending on the MTA that is running on your Listserv box you may 
>> be able to have that check and drop messages based on certain 
>> criteria. That way, at least, the messages never make it to Listserv. 
>> The IronPorts that we use to handle inbound mail are currently 
>> dropping viruses but only flagging the spam that comes through. Using 
>> Postfix as an MTA, I just have a rule in the header checks that sends 
>> anything that got flagged as spam to the bit bucket. 
>> >
>> >Any link in the chain can handle dropping mail. :-)
>> >
>> >-CW  
>> >
>> >Christopher Wilson
>> >ISS Enterprise Systems
>> >The George Washington University
>> >801 22nd St, NW 
>> >Washington, DC 20052
>> >[log in to unmask]
>> >
>> >----- Original Message -----
>> >From: Nathan Brindle <[log in to unmask]>
>> >Date: Friday, November 24, 2006 9:33 am
>> >Subject: Re: ListServ 14.5 question
>> >To: [log in to unmask]
>> >
>> >
>> >> At 09:26 AM 11/24/2006 -0500, you wrote:
>> >> >On Nov 24, 2006, at 9:10 AM, Graham Tolliver wrote:
>> >> >
>> >> >>Hello,
>> >> >>
>> >> >>We are running ListServ version 14.5.
>> >> >>
>> >> >>Our mail is spam scored via a Anti Virus machine, so I would like 
>>
>> >> >>to discard any messages scored at a particular number.
>> >> >>
>> >> >>Does ListServ have the ability to do something with the message 
>> if  
>> >>
>> >> >>a certain condition is triggered
>> >> >
>> >> >I don't know, but can't you configure your anti-virus server to  
>> >> >simply not send messages with a particular score to your Listserv?
>> >>
>> >> That would be my thought, too.  Why forward them on to LISTSERV if 
>>
>> >> they're unacceptable to the spam filter?  It's better to reject 
>> them 
>> >> at the AV machine and never bother LISTSERV with them.
>> >>
>> >> If there's no way to do that then you will probably have to look at 
>>
>> >> writing an exit program to parse the message for the score and 
>> reject 
>> >> it if it's too high.  You should be able to use SPAM_EXIT for this 
>> purpose.
>> >>
>> >> Nathan