Re: Spam and NDR



On Tue, 17 Jan 2006 14:10:02 -0800, Dan
<Dan@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

>Hi,
> What's the latest feeling on allowing Exchange to send NDR's? Is everyone
>doing it? I have a situation where I think I may have hit a blacklist
>because of the amount of NDR's I was sending back to bogus places. What can
>I do?
>Also, I have the 'do not accept mail for recipients not in the directory'
>(don't remember the exact terminology) enabled, can I have it so that NDR's
>are not sent back to bogus addresses but are sent if the user addy is correct
>but unavailable for one reason or another?
>Thanks,
>Dan



You should enable it. No need to accept mail for accounts that do not
exist!

That will prevent much of the chaff. You can then allow NDRs to be
generated for those other situations such as mailbox over quota etc...
.



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