Re: [SA] DNSBL Comparison 20091010

2009-10-11 Thread Henrik K
On Sun, Oct 11, 2009 at 01:10:17PM -0400, Adam Katz wrote: > > Here are the default scores for the DNSWLs I know of: > > RCVD_IN_DNSWL_LOW 0 -1 0 -1 > RCVD_IN_DNSWL_MED 0 -4 0 -4 > RCVD_IN_DNSWL_HI 0 -8 0 -8 > RCVD_IN_HOSTKARMA_W -5 # (nondefault rule, Marc's suggested score) You have to remembe

Re: [SA] DNSBL Comparison 20091010

2009-10-11 Thread Adam Katz
Matthias Leisi wrote (accidentally off-list): > Adam Katz schrieb: > >> My last report was sent at 2009-04-10 17:50:30 UTC to ad...@dnswl.org >> with subject "Suggested Change DNSWL Id 3523" > > That's cvent-planner.com. Based on your report and others we received, > we lowered the score for thei

Re: .cn Oddity

2009-10-11 Thread jdow
From: "MySQL Student" Sent: Sunday, 2009/October/11 09:08 Hi, We use some rules if we talk open about it and say hey this spammer is stupid look here, then it will take less then 12 hours and that gap is closed and we loose a valuable trick. yes its the way it is, spammers can also read ma

Re: [SA] DNSBL Comparison 20091010

2009-10-11 Thread Adam Katz
Matthias Leisi wrote: > Did you report them to us? If there are *myriads*, there must be some > serious error which we need to fix (IPs/ranges falsely listed, > inappropriate trust levels listed, sometimes also errors in eg how > trusted_networks are set up). My last report was sent at 2009-04-10

Re: [SA] Rule and Rule

2009-10-11 Thread Adam Katz
Karsten Bräckelmann wrote: >> Here's my workaround. It involves some redundancy, but it does the trick: > > After some brief moment of head scratching... > > The "workaround" basically is just weighting sub-rules in the meta, and > works regardless if it is meant to be the individual sub-rules'

Re: [SA] DNSBL Comparison 20091010

2009-10-11 Thread Adam Katz
Benny Pedersen wrote: > On søn 11 okt 2009 07:19:47 CEST, Adam Katz wrote > >> different return code to indicate the hit anyway so that I can act on it >> anyway. *Especially* while DNSWLs lack an abuse-reporting mechanism. > > spamassassin have firsttrusted for dnsbl same can go for dnswl testi

Re: [SA] DNSBL Comparison 20091010

2009-10-11 Thread Matthias Leisi
Adam Katz schrieb: > I've had myriads of falsely whitelisted messages hit DNSWL (.org) and Did you report them to us? If there are *myriads*, there must be some serious error which we need to fix (IPs/ranges falsely listed, inappropriate trust levels listed, sometimes also errors in eg how trus

Re: [SA] DNSBL Comparison 20091010

2009-10-11 Thread Adam Katz
Henrik K wrote: > On Sun, Oct 11, 2009 at 01:19:47AM -0400, Adam Katz wrote: >> *Especially* while DNSWLs lack an abuse-reporting mechanism. >> >> I have seen SO much DNSWL'd spam that I've had to migrate to using > > Just to be clear, what DNSWLs are you talking about? It's a bit > confusing as t

Re: .cn Oddity

2009-10-11 Thread MySQL Student
Hi, >> We use some rules if we talk open about it and say hey this spammer is >> stupid look here, then it will take less then 12 hours and that gap is >> closed and we loose a valuable trick. > > yes its the way it is, spammers can also read maillists and adapt there > spamming rules to get bypas

Re: Postfix Received header FP's and masscheck

2009-10-11 Thread Warren Togami
On 10/11/2009 09:04 AM, mouss wrote: postfix does so if you authenticated and you have smtpd_sasl_authenticated_header = yes Thanks! This is exactly what I needed to fix my problem. Warren

Re: Rule and Rule

2009-10-11 Thread Karsten Bräckelmann
On Sat, 2009-10-10 at 18:14 -0400, Adam Katz wrote: > > > > > meta NAME rule1 && (rule2a + rule2b + rule2c + rule2d > 2) > > > > When adding rules is it a count of the number of rules or the rule > > > > scores? > > > > It is never the score. > Here's my workaround. It involves some redundanc

Re: DNSBL Comparison 20091010

2009-10-11 Thread Marc Perkel
Warren Togami wrote: The following is an apples to apples comparisons of DNSBL lastexternal rules against the October 10th, 2009 weekly_mass_check corpora. HOSTKARMA and SEM are new. Hopefully these masscheck results can help to identify problems so list quality can improve over time. http

Re: Postfix Received header FP's and masscheck

2009-10-11 Thread mouss
Warren Togami a écrit : > I am trying to reconfigure my postfix server to get rid of false > positives in the masschecks. > > * I run my own postfix server at example.com. > * Several of my users have IMAP accounts on my server. They send their > outgoing mail via my server with SMTP-after-IMAP.

Re: DNSBL Comparison 20091010

2009-10-11 Thread Karsten Bräckelmann
Just a few comments and corrections. On Sat, 2009-10-10 at 19:44 -0400, Warren Togami wrote: > The following is an apples to apples comparisons of DNSBL lastexternal Minor nit: Not entirely correct. Different lists have different listing policies and criteria. A PBL listing for example does NOT

Re: .cn Oddity

2009-10-11 Thread Benny Pedersen
On søn 11 okt 2009 12:12:20 CEST, jdow wrote could squeeze his spam decreased. It's still decreasing, although at a slower rate due to the relative inactivity of the SARE ninjas. sare rules is non maintained now, but it could still go to masscheck to get the best of them readded in to sa --

Re: .cn Oddity

2009-10-11 Thread Benny Pedersen
On søn 11 okt 2009 11:48:11 CEST, Raymond Dijkxhoorn wrote We use some rules if we talk open about it and say hey this spammer is stupid look here, then it will take less then 12 hours and that gap is closed and we loose a valuable trick. yes its the way it is, spammers can also read mailli

Re: Postfix Received header FP's and masscheck

2009-10-11 Thread Benny Pedersen
On søn 11 okt 2009 08:45:38 CEST, Warren Togami wrote I am trying to reconfigure my postfix server to get rid of false positives in the masschecks. static ip in a dynamic pool ? (silly isp) Is it possible to configure postfix to write some kind of auth message in the Received line if you h

Re: DNSBL Comparison 20091010

2009-10-11 Thread Benny Pedersen
On søn 11 okt 2009 07:19:47 CEST, Adam Katz wrote different return code to indicate the hit anyway so that I can act on it anyway. *Especially* while DNSWLs lack an abuse-reporting mechanism. spamassassin have firsttrusted for dnsbl same can go for dnswl testing that mean if you have none or

Re: .cn Oddity

2009-10-11 Thread Raymond Dijkxhoorn
Hi! So I am quite aware of losing good rules. HOWEVER, as he found out WE keep the old rules and add new ones and his keyhole through which he could squeeze his spam decreased. It's still decreasing, although at a slower rate due to the relative inactivity of the SARE ninjas. Most Ninja's incl

Re: .cn Oddity

2009-10-11 Thread jdow
From: "Raymond Dijkxhoorn" Sent: Sunday, 2009/October/11 02:48 Hi! 7263 T_CN_URL hits in 15517 spam corpus 7200 T_CN_8_URL hits in 15517 spam corpus Does this make any sense? This is funny. Could someone add this rule to the sandbox? I'm just curious. I have to admire one thing about

Re: .cn Oddity

2009-10-11 Thread Raymond Dijkxhoorn
Hi! 7263 T_CN_URL hits in 15517 spam corpus 7200 T_CN_8_URL hits in 15517 spam corpus Does this make any sense? This is funny. Could someone add this rule to the sandbox? I'm just curious. I have to admire one thing about spammers. They respond very rapidly to "threats" to their ability