RE: New to list- how to kill relay

[visionary@xxxxxxxxxxxxx (Alan Rafael Bleiweiss)]

This seems unwieldy, as it would mean I'd have to know all the IP's 
from all clients - many are on AOL and other dynamic IP ISP systems - 
so I'd have to allow global rights for AOL, Road Runner, Comcast... 
that doesn't seem like it's any safer or more secure.

I would think there's got to be a way to lock this down somehow 
that's more solid...



At 01:53 PM 12/31/03, you wrote:
> Within that same page you can input IP ranges, and domain names.  I
> would use the IP ranges,and you can enter the range for your clients.
>
>
> -----Original Message-----
> From: Alan Rafael Bleiweiss [mailto:visionary@xxxxxxxxxxxxx]
> Sent: Wednesday, December 31, 2003 3:47 PM
> To: post_office@xxxxxxxxxxxxxxx
> Subject: New to list- how to kill relay
>
>
> Happy holidays to all!
>
> I'm new to the list though I've been using PO as my mail server for a
> couple years.  I've got one server, and about 50 email accounts spread
> across several domains I host... most of these are non-profit companies,
>
> but several are ecommerce.
>
>
> I'm frustrated cause I'm on a couple "spam relay" lists because of my
> configuration where I approve local domains for relay - clients are all
> over the country and on many different ISP networks, and so some of the
> email that goes through as legitimate site purchase confirmations and
> correspondence get rejected as a result.  NOT good for business!!!
>
> Anyhow - I'm so totally confused about how to lock down the server to
> prevent relaying - I did read the FAQ on this but if I uncheck "and
> allow
> local domains - but just list my network IP, doesn't that mean that only
>
> people who are inside my LAN can get and send EMail?
>
> If that's the case, can I create a web based interface inside my LAN
> that
> clients all over the country can use to send and receive email -
> requiring
> them to log in using a network password I'd need to create for each of
> them?
>
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