Hold on a minute Marc.
You've quoted my contributions, and attributed them to Matt. That's quite
inappropriate. You've also quoted them out of context, and placed them in a
new context where it looks like you maybe thing I'm insulting you. Perhaps
you think I am, but I was intending to defend your point of view.
--On March 7, 2005 06:36:04 -0800 Marc Perkel <marc@???> wrote:
>
>
> Before everyone continues to get frealy and insulting, please actually
> think before you respond. Some idea are a little raw and I throw them out
> to inspire creative thinking to come up with useful ideas. It's about
> innovation.
>
> Having said that - any information that produces a statistical difference
> between spam and ham is work looking at.
>
> We are already doing sender callback tests agains the senders email
> address. So the idea of doing a little active testing against the sending
> host is hardly a radical idea.
>
> I don't think anyone would disagree that a host that has port 465 open is
> more likely not to be a spammer.
>
> We are also running blacklist tests against the host IP and I am doing
> DNS lookups for the nameservers of the class C range of the revers DNS to
> get a fingerprint about who is hosting the potential spammer.
>
> So - the more general question is - are there tests that we can do on the
> connecting host that would provide useful information to determin if they
> are a spammer or not a spammer. In this case I don't so much see an
> opportunity to identify spam as I do to identify ham. So - responses like
> "you'll be blocking me if you do that" are not relevant to this idea.
>
>
>>
>>
>> --On March 6, 2005 16:29:39 +0000 Matt Fretwell <mattf@???>
>> wrote:
>>
>>
>> That's ridiculous. Why would an SMTP server that's trying to send me
>> mail object that I try to make a TCP connection to it. I already do
>> ident callouts to the sending host. Surely its completely fair to make
>> a callout to a sending host as frequently as it tries to send mail to me.
>>
>> It looks to me like the list is playing the game of trying to find the
>> most spurious objections to Marc's proposals that it can - again.
>>
>>
>> As are most of the methods that we use to prevent spam. Its an arms race.
>>
>
> --
> Marc Perkel - marc@???
>
> Spam Filter: http://www.junkemailfilter.com
> My Blog: http://marc.perkel.com
> My Religion: http://www.churchofreality.org
> ~ "If it's real - we believe in it!" ~
--
Ian Eiloart
Servers Team
Sussex University ITS
