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Re: Which Spam Block List to use for a network?

On Wed, 23 Jun 2004 00:23, Niccolo Rigacci <niccolo@rigacci.org> wrote:
> On Tue, Jun 22, 2004 at 08:57:36PM +1000, Russell Coker wrote:
> > I'm not forcing them to use a smart host.  If their actions get their
> > email classified as spam then it's their choice.
> Here is your error: they sent no spam, in no way, ever! So you
> definitively got a false positive.

Bummer.  I know what it's like, I've been in the same situation.  I fixed my 
problems, they can fix their's.

> > I'm speaking from personal experience in running an ISP with
> >
> > >1M customers and dealing with these issues.
> I'm not impressed by your numbers, here in Italy we have a joke
> that says that if thousands of millions of flies eat shit, this
> should be the right thing. I think no so...

That's what we always say about Windows popularity.

> I don't dubt that your way is effective on blocking spam with
> little hassle for you. I don't dubt too that your customers don't
> care (or even are not aware) of loosing legitimate mails. I just
> say that you are not doing the right thing.

When running the million-user ISP I asked management to hire someone to deal 
with spam issues.  They refused because it would cost too much.  So I did 
what I could with the resources available.

No legitimate email is lost.  Mail is rejected with a SMTP code 5xx and it's 
up to the sending machine to notify the originator of the problem.

> > I'll keep blocking dialup's. If you want your customers to be
> > able to send mail to machines I run then YOU will have to solve
> > YOUR problem.
> Thanks, very kind of you, but I think that email is
> communication, and if communication fails it is a problem of
> both. Your approch is quite rude, I can reverse the
> argumentation: if you want your customers to be able to receive
> mails from my customers YOU have to solve YOUR problem, period.

Being able to receive email from people who are too stubborn to get statically 
allocated IP address space correctly recognised as such isn't a big priority 
for me.

> You win just because you weigh 6666 times me, not because you
> are doing the right thing.

No.  I win because a large number of people who run mail servers implement the 
same policy, they do the same thing as me for the same reasons.

http://www.coker.com.au/selinux/   My NSA Security Enhanced Linux packages
http://www.coker.com.au/bonnie++/  Bonnie++ hard drive benchmark
http://www.coker.com.au/postal/    Postal SMTP/POP benchmark
http://www.coker.com.au/~russell/  My home page

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