Re: [exim] Thoughts on Open Relays

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Lähettäjä: Wycliffe Bahati
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Kopio: exim
Aihe: Re: [exim] Thoughts on Open Relays

On Mon, 2005-02-21 at 13:42, Bill Hacker wrote:
> Marc Perkel wrote:
>
> > Well - I'm in the process of blocking open relay tests so that they
> > can't detect that I'm open.
>
> If your server was any more 'open' you could run a Dennis-bodied Leyland
> Titan up its NIC.
>
> Suggest you have a read here:
>
> http://www.unitedlayer.com/aup.html
>
> In case you do not recognize it, that's the Acceptable Use Policy of
> your own upstream, who also host most of the Apache project.
>
> I suspect United Layer would be neither amused nor slow to react
> if/as/when a leasing customer decides to deliberately have and already
> dodgy mail-and-everything-else-under-the-sun 'server' further emulate
> the hoor of Babylon and play open relay with all comers.
>
> That's 'real', and you can check it for yourself.
>
> Bill
>
>
>
> >
> > jonathan vanasco wrote:
> >
> >>
> >> If you go that route, make sure you won't be getting any mail from AOL
> >> or MS customers -- both have policies to disable all mail from open
> >> relays, and they do periodic checks.
> >>
> >> I found out when an apache proxypass linking our webserver to our
> >> office firewall had a typo in it that made it semi-open. Broke all
> >> mail for AOL for 3 days until i got all the bureaucratic stuff taken
> >> care of.
> >>
> >> On Feb 21, 2005, at 12:46 AM, Marc Perkel wrote:
> >>
> >>> So - the reason open relays are bad is because spammers can use then
> >>> to send spam. But - if I have a really good spam filter that would
> >>> block spam sent through open relays - then having an open relay
> >>> wouldn't be a problem.
> >>>
> >>> My spam filter is good enough that I'm thinking about going open relay.
> >>
> >>
> >>
> >>
> >


    Please let us all know when you manage to put it up. We will help
circulate your open policy. I like it "My spam filter is good enough"
What spam filter is this? I thought I was about to get a wonderful
filter better than the on I have. Hope you are not puting this in
production otherwise your @ will be out of the Job sooner that you
think.


./bahati