Re: All i want is a 'User unknown'
From: Deji Akomolafe (noemail_at_akomolafe.com)
Date: 07/16/04
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Date: Fri, 16 Jul 2004 12:36:08 -0700
Bas,
this "feature" first became available in Exchange 2003. Previous versions
receive EVERYTHING and then attempt to bounce back after going "uh-oh",
non-existent users. E2K3 (when configured to filter non-existent users) will
NOT accept the mail at all, and you will get your desired error. In my
opinion, this is one of the most useful feature of Exchange 2003 - even
though it can be exploited for email-harvesting purposes.
-- Sincerely, Dèjì Akómöláfé, MCSE MCSA MCP+I www.akomolafe.com www.iyaburo.com Do you now realize that Today is the Tomorrow you were worried about Yesterday? -anon "Bas Keur" <viper@dmrt.net> wrote in message news:40f6824d$0$36861$e4fe514c@news.xs4all.nl... > Here is a better example of my situation. > > It isn't a relay problem, as we can see here > #### > rcpt to: i-do-net-exist@dmrt.net > 550 5.7.1 Unable to relay for i-do-net-exist@dmrt.net > > The problem is shown here. > This user doesn't exist, still exchange takes the mail anyway. > #### > rcpt to: i-do-net-exist@exchangeco.nl > 250 2.1.5 i-do-net-exist@exchangeco.nl > > I want a 550 user does not exist here. > > My problem is how do i do that :) > > -Bas > >
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