Re: External mail being returned

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: Henry Craven (IUnknown_at_Dot.Nyet)
Date: 11/05/04 

Date: Sat, 6 Nov 2004 10:43:07 +1100

How did they manage to configure the server as an open relay in the
first place ? ( considering it's locked down by default.... )

Have you re-run the CEICWizard and if you're using Smart-host set the
correct authentication ? 

-- 
Henry Craven {SBS-MVP}
    Melbourne Australia
"John" <John@nospam.infovis.co.uk> wrote in message
news:OfMrnv4wEHA.3492@TK2MSFTNGP11.phx.gbl...
> Hi
>
> Whenever a user sends a mail to an external email, he/she gets the
following
> message;
>
> The following recipient(s) could not be reached:
> user@externaldomain.com on ...
> You do not have permission to send to this recipient. For assistance,
> contact your system administrator.
> <mydomain.com #5.7.1>
>
> The problem started when the client were informed by their isp that
their
> server was being used to relay thousands of spam emails. They in their
hurry
> to stop spam relay, did a few changes based on what they were told
over the
> phone by isp tech support. This stopped the spam but also all external
> emails. They can't remember all the things they did.
>
> I have gone through the server and checked and corrected the common
things
> like recipient policies & SMTP virtual server. The external mail has
still
> not worked. Is there another place that I need to look at? Also what
is the
> way to avoid the server being used as an open relay?
>
> Thanks
>
> Regards
>
>

Relevant Pages

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    (microsoft.public.windows.server.sbs)
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