Besides you can do whatever you want with the test here are the definitions

These are my global config test names and return values

CIP-WellFormed 10
CIP-OnlyIp 11
CIP-FullMatch 12
CIP-LeadingTextMatch 13
CIP-TrailingTextMatch 14
CIP-RDNSMatchWellFormed 20
CIP-RDNSMatchOnlyIp 21
CIP-RDNSMatchFullMatch 22
CIP-RDNSMatchLeadingTextMatch 23
CIP-RDNSMatchTrailingTextMatch 24

So if you do not want to weight OnlyIp then don't put a lower weight on it
if you get many false positives


Kevin Bilbee

> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Darin Cox
> Sent: Monday, September 20, 2004 8:47 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [Declude.JunkMail] Idea
> 
> 
> Gotcha... just after I mentioned it I saw a couple of 
> industry newsletters that had an IP address for HELO.  
> They're obviously poor mailers, but our customers want to see 
> them, so we must oblige.  Ahhhh, to be able to be stricter... 
> wouldn't that be the life...<grin>.
> 
> Darin.
> 
> 
> ----- Original Message ----- 
> From: "Kevin Bilbee" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, September 20, 2004 6:36 PM
> Subject: RE: [Declude.JunkMail] Idea
> 
> 
> Agreed I would never delete on the one test, (except my 
> personal black list), I would weight the email. A reverse DNS 
> endty should never return an ip address. If the HELO is an ip 
> it should should be in the form of [a.b.c.d] from my 
> understanding. But if I reverse a.b.c.d I should not get 
> a.b.c.d I should get host.example.com. If they do not want ot 
> follow standards that is fine but I am going to add weight to 
> their email. that is why I run Declude to weight emails that 
> do not wollow standards.
> 
> I host coorporate email for my promary company and a few 
> sister companies so I have the ability to be a little 
> stricter and if I do get a false positive I work with the 
> customer/ISP of our customer to fix what is broken/non-standard.
> 
> 
> Kevin Bilbee
> 
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] Behalf Of Darin Cox
> > Sent: Monday, September 20, 2004 3:20 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [Declude.JunkMail] Idea
> >
> >
> > We've seen some legitimate mailers with an IP for the HELO, which 
> > matches the reverse DNS.  I certainly wouldn't recommend 
> holding, much 
> > less deleting, on any one test.
> >
> > Darin.
> >
> >
> > ----- Original Message -----
> > From: "Kevin Bilbee" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Monday, September 20, 2004 5:41 PM
> > Subject: RE: [Declude.JunkMail] Idea
> >
> >
> > 99.9% is good enough and better than most RBLs especially in a 
> > weighted system. I have modified my code and am going to test for a 
> > few days using the ROUTETO action to inspect te emails for false 
> > positives.
> >
> > If I find the test acceptable I will post a new version of 
> contains IP 
> > with documentation.
> >
> >
> > Thanks to thoes who have given feedback,
> > Kevin Bilbee
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED] Behalf Of Matt
> > > Sent: Monday, September 20, 2004 2:20 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: Re: [Declude.JunkMail] Idea
> > >
> > >
> > > I would say that 99.9% is probably accurate here, and 
> while that's 
> > > pretty good, it might cause more issues than benefit depending on 
> > > your system if you added extra weight for this condition. 
>  There is 
> > > unfortunately software out there, or at least configurations that 
> > > will insert IP's into the reverse DNS entry and also use 
> that as the 
> > > HELO. For instance, if you name your Windows server with an IP'd 
> > > entry, that will get used by default in the HELO for MS 
> SMTP if I'm 
> > > not mistaken. It would only be 99.9% accurate due to the sheer 
> > > volume of zombie spam however that uses this method, but 
> I believe 
> > > that there are a measurable number of exceptions that may 
> or may not 
> > > work in a particular weighting scheme.
> > >
> > > Matt
> > >
> > >
> > >
> > > Colbeck, Andrew wrote:
> > >
> > > >Kevin, I suspect that you're right, and that 99.9% of the
> > time, your rule
> > > >would hold true.
> > > >
> > > >I would suggest that the IP address in the HELO would 
> have to match 
> > > >the reverse DNS exactly, though.
> > > >
> > > >I also think that it this observation would also hold true if
> > > the HELO is an
> > > >IP address and there is no reverse lookup, or the reverse lookup
> > > times out.
> > > >
> > > >I think running that as a test for a while would bear that out;
> > > let us know
> > > >if you code that up and want to test it on some more systems...
> > > >
> > > >Andrew 8)
> > > >
> > > >-----Original Message-----
> > > >From: Kevin Bilbee [mailto:[EMAIL PROTECTED]
> > > >Sent: Saturday, September 18, 2004 12:09 PM
> > > >To: [EMAIL PROTECTED]
> > > >Subject: [Declude.JunkMail] Idea
> > > >
> > > >
> > > >I was looking through my smaps and legitimate email. I 
> have noticed 
> > > >an interesting thing. When there is an ip address in the hello
> > and the hello
> > > >matches the reverse dns then it is always spam. I can not find
> > > one example
> > > >of a legitimate email that has these properties.
> > > >
> > > >
> > > >What do you think???
> > > >
> > > >I can update my contains ip test to support this type of test 
> > > >also????
> > > >
> > > >
> > > >
> > > >Kevin Bilbee
> > > >
> > > >
> > > >---
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> > >
> > >
> > >
> >
> > --
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> > http://www.mailpure.com/software/ 
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