Re: More Authorization Questions
From: Ken Schaefer (kenREMOVE_at_THISadOpenStatic.com)
Date: 08/23/04
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Date: Mon, 23 Aug 2004 14:19:30 +1000
Evan,
We've been over this in your previous thread. Unless there is something
about your setup that you're not telling us, the configurations posted
previously will work.
Otherwise, can you tell us how you know that spammers are using your mail
server as an open relay?
Thanks
Cheers
Ken
"Evan" <grime@forbiddenninja.com> wrote in message
news:30a001c48710$e8a59a10$a301280a@phx.gbl...
>I am using SMTP Virutal Server for IIS in Windows Server
> 2003. Something else I should mention is the server is not
> in the DMZ. All of the correct ports are forwarded though
> (25 and 110). I went to 'Properties' on the Virtual Server
> and clicked the 'Access' tab. Then I added the IP ranges
> 192.168.0.0/255.255.255.0, 10.10.0.0/255.255.255.128, and
> 127.0.0.1 under the Relay Restrictions option. I've
> rebooted the server several times and it has not fixed the
> problem :(
>
>
>>-----Original Message-----
>>On Fri, 20 Aug 2004 06:59:00 -0700, "Evan"
> <grime@forbiddenninja.com>
>>wrote:
>>
>>>This doesn't make much sense to me.... Is it not
> possible
>>>to set my smtp service up so that it requires
>>>authentication, and yet still be able to receive emails
>>>from the outside world?
>>
>>No. If you want systems to authenticate, then you can't
> accept mail
>>from systems that don't authenticate.
>>
>>>If it's not possible that really
>>>makes for a hard decision. Do I want to leave my email
>>>server open for anonymous relay and have spammers use my
>>>server freely, or do I want to enforce authentication
> and
>>>not be able to receive any email from the outside world
>>>because the other email servers don't have authorization?
>>
>>You're confusing relaying with authenticating. They're
> not the same
>>thing.
>>
>>>I tried adding IP ranges to the Relay Restrictions list,
>>>but that didn't do any good. It's as if the SMTP service
>>>is ignoring that list when it decides whether or not to
>>>accept an email. What am I missing here?
>>
>>What OS and version of SMTP? I think you may be missing
> where to set
>>relay restrictions, but it may be a case of not stopping
> and
>>restarting the SMTP services.
>>
>>Jeff
>>.
>>
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