Re: False negatives/positives on debian

2013-06-22 Thread Karsten Bräckelmann
On Sun, 2013-06-23 at 08:06 +1000, Robert S wrote: > Just to recap - at the moment I'm running dnsmasq on my local server. > My resolv.conf now looks like this: > > domain mydomain.com.au > search mydomain.com.au > nameserver 127.0.0.1 > nameserver 208.67.220.220 # OpenDNS > nameserver

Re: False negatives/positives on debian

2013-06-22 Thread Benny Pedersen
Robert S skrev den 2013-06-23 00:06: Hi. Just to recap - at the moment I'm running dnsmasq on my local server. My resolv.conf now looks like this: domain mydomain.com.au search mydomain.com.au nameserver 127.0.0.1 nameserver 208.67.220.220 # OpenDNS nameserver 208.67.222.222 # OpenD

Re: False negatives/positives on debian

2013-06-22 Thread Robert S
Hi. Just to recap - at the moment I'm running dnsmasq on my local server. My resolv.conf now looks like this: domain mydomain.com.au search mydomain.com.au nameserver 127.0.0.1 nameserver 208.67.220.220 # OpenDNS nameserver 208.67.222.222 # OpenDNS Things have been working OK on this

Re: False negatives/positives on debian

2013-06-22 Thread Benny Pedersen
Karsten Bräckelmann skrev den 2013-06-22 23:18: I'd argue the evidence provided in this thread suggests to stick to the first nameserver currently listed in your resolv.conf -- your own. how are you comming to that conclusion ? :) one nameserver in resolv.conf, no more no less, if more then

Re: False negatives/positives on debian

2013-06-22 Thread Karsten Bräckelmann
On Sat, 2013-06-22 at 22:34 +0100, RW wrote: > On Sat, 22 Jun 2013 23:18:24 +0200 Karsten Bräckelmann wrote: > > > > If these things are true then the last question is - is it safe to > > > use OpenDNS IP addresses in my resolv.conf (and hence the remainder > > > of my small network) or should I s

Re: False negatives/positives on debian

2013-06-22 Thread RW
On Sat, 22 Jun 2013 23:18:24 +0200 Karsten Bräckelmann wrote: > > If these things are true then the last question is - is it safe to > > use OpenDNS IP addresses in my resolv.conf (and hence the remainder > > of my small network) or should I stick to the addresses provided by > > my ISP? > > I'd

Re: False negatives/positives on debian

2013-06-22 Thread Karsten Bräckelmann
On Sun, 2013-06-23 at 06:52 +1000, Robert S wrote: > The OpenDNS website states "OpenDNS is the largest and most reliable > _recursive_ DNS service available ...". Presumably this explains why > my queries are not blocked when I use OpenDNS. Again, nope. The OpenDNS server will do the query -- th

Re: False negatives/positives on debian

2013-06-22 Thread Robert S
The OpenDNS website states "OpenDNS is the largest and most reliable _recursive_ DNS service available ...". Presumably this explains why my queries are not blocked when I use OpenDNS. Various discussions on the net state that typo correction causes problems on OpenDNS with SURBL/URIBL. However

Re: False negatives/positives on debian

2013-06-22 Thread Karsten Bräckelmann
On Sat, 2013-06-22 at 21:16 +1000, Robert S wrote: > I've eliminated this problem by using openDNS servers: Nope. You've eliminated the problem by dropping your ISP's DNS servers. SA uses the first listed nameserver, IIRC, which previously was your ISP's. By removing them, the third listed became

Re: False negatives/positives on debian

2013-06-22 Thread Dave Funk
On Sat, 22 Jun 2013, Robert S wrote: I've eliminated this problem by using openDNS servers: # cat /etc/resolv.conf domain mydomain.net.au search mydomain.net.au nameserver 192.168.0.33 #<--- My server IP nameserver 208.67.220.220 nameserver 208.67.222.222 Is this likely to hav

Re: False negatives/positives on debian

2013-06-22 Thread John Hardin
On Sat, 22 Jun 2013, Robert S wrote: I've eliminated this problem by using openDNS servers: Is this likely to have untoward consequences? Yes. OpenDNS is potentially aggregating *more* traffic than your ISP does... -- John Hardin KA7OHZhttp://www.impsec.org/~jhardin/

Re: False negatives/positives on debian

2013-06-22 Thread Axb
FTR: iirc, OpenDNS is also blocked from doing URIBL queries. the web is full of forum post regarding this so it may be best not to forward to them as your fallback. unbound or powerdns-recursor on a separate local box/VM/would be the safeest choice. It also spares you from potential third pa

Re: False negatives/positives on debian

2013-06-22 Thread Benny Pedersen
John Hardin skrev den 2013-06-22 06:45: If you're running dnsmasq locally, you should list it first so that you take advantage of its local cache and only fall back to direct queries of your ISP's servers if dnsmasq fails for some reason. that only hold water if /etc/resolv.conf does not conta

Re: False negatives/positives on debian

2013-06-22 Thread Benny Pedersen
Robert S skrev den 2013-06-22 06:14:   I only run a small business and I doubt that we'd be exceeding the URIBL quota. you need to change /etc/resolv.conf to nameserver 127.0.0.1 and use bind9 as local dns server that just have NONE forwards in options, and it must only listen on 127.0.0.1, w

Re: False negatives/positives on debian

2013-06-21 Thread John Hardin
On Sat, 22 Jun 2013, Robert S wrote: That wasn't the complete reply - hit the reply button too soon . . . The two addresses at the top are my ISP's DNS servers and the bottom is the IP address of my server. I still get the administrator notice with this configuration. Is there an additional s

Re: False negatives/positives on debian

2013-06-21 Thread Dave Funk
On Sat, 22 Jun 2013, Robert S wrote: I am running spamassassin_3.3.2-5 on debian Wheezy on a small business server (x86).  I am getting numerous complaints about mail being falely categorised as spam/ham.  I also use version 3.3.2 on my home server using gentoo (amd64) and don't have these pro

Re: False negatives/positives on debian

2013-06-21 Thread Robert S
That wasn't the complete reply - hit the reply button too soon . . . The two addresses at the top are my ISP's DNS servers and the bottom is the IP address of my server. I still get the administrator notice with this configuration. Is there an additional step that I need to take? I'm not a DNS

Re: False negatives/positives on debian

2013-06-21 Thread John Hardin
On Sat, 22 Jun 2013, Robert S wrote: This message seems to get blocked in a lot of blocklists (which also seem to happen to my users' messages). That's the first thing you need to resolve. 0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked.

Re: False negatives with distinctive punctuated subjects

2012-11-22 Thread Ian Turner
On Friday, October 19, 2012 01:55:33 PM John Wilcock wrote: > Le 19/10/2012 13:22, Ian Turner a écrit : > > I meant something to specifically pick out words like phArmACy. > > You could try a rule with a negative lookahead to exclude the correct > casing, something like this (untested): Curiously

Re: False negatives with distinctive punctuated subjects

2012-10-19 Thread John Wilcock
Le 19/10/2012 13:22, Ian Turner a écrit : I meant something to specifically pick out words like phArmACy. You could try a rule with a negative lookahead to exclude the correct casing, something like this (untested): header SUBJ_MIXED_CASE_PHARMACY Subject =~ /(?![Pp]harmacy)[Pp][Hh][Aa][Rr]

Re: False negatives with distinctive punctuated subjects

2012-10-19 Thread Ian Turner
Hi Martin, On Friday, October 19, 2012 03:04:44 AM Martin Gregorie wrote: > > 3. Speaking of Penis, I'm surprised there isn't already a rule > > > >looking for the word in subjects, let alone in combination with > >"Enlarge". > >Is this intentional? > > The rule: > > header RULENAME

Re: False negatives with distinctive punctuated subjects

2012-10-19 Thread Martin Gregorie
On Fri, 2012-10-19 at 03:04 +0100, Martin Gregorie wrote: > The rule: > > header RULENAME Subkect =~ /(penis|pharmacy|med.{0,1}s)/i > This should, of course, be: header RULENAME Subject =~ /(penis|pharmacy|med.{0,1}s)/i Sorry about the other typos etc - it was really too late to be writ

Re: False negatives with distinctive punctuated subjects

2012-10-18 Thread Martin Gregorie
On Thu, 2012-10-18 at 20:56 -0400, Ian Turner wrote: > Questions for SA folks: > 1. Is anyone else seeing this type of spam? I don't see it. > 2. Is there anything that can be done to the bayes classifier to >improve handling of this type of subject? I notice that the message >with subje

RE: False Negatives

2008-04-18 Thread Koopmann, Jan-Peter
> It really doesn't matter to me whether it was on urisbl/surbl when he > sent it. I provided what our server marked this as as an example of > rules that he could look at as to why it was scored low. Other people > that don't use "unwanted language" may not need it, but in some cases > it > helps,

Re: False Negatives

2008-04-17 Thread Randy Ramsdell
mouss wrote: Koopmann, Jan-Peter wrote: http://pastebin.com/m16055c85 Content analysis details: (9.6 points, 6.0 required) pts rule name description -- -- 1.5 URIBL_OB_SURBL Contains an URL

Re: False Negatives

2008-04-17 Thread mouss
Koopmann, Jan-Peter wrote: http://pastebin.com/m16055c85 Content analysis details: (9.6 points, 6.0 required) pts rule name description -- -- 1.5 URIBL_OB_SURBL Contains an URL listed in the

RE: False Negatives

2008-04-16 Thread Koopmann, Jan-Peter
> http://pastebin.com/m16055c85 Content analysis details: (9.6 points, 6.0 required) pts rule name description -- -- 1.5 URIBL_OB_SURBL Contains an URL listed in the OB SURBL blocklist

Re: False Negatives

2008-04-16 Thread Randy Ramsdell
Tony Bunce wrote: Hi everyone, I'm starting to see a noticeable amount of message sneak by spamassassin with scores mostly the 3-4 range but some as low as 1 point. I'm running 3.2.4 with SARE, sough, and Botnet. We don't use bayes. Here are some samples of messages that have got through:

Re: False Negatives

2008-04-16 Thread DAve
Tony Bunce wrote: Hi everyone, I'm starting to see a noticeable amount of message sneak by spamassassin with scores mostly the 3-4 range but some as low as 1 point. I'm running 3.2.4 with SARE, sough, and Botnet. We don't use bayes. Here are some samples of messages that have got through:

Re: False Negatives

2008-04-16 Thread Raymond Dijkxhoorn
Hi! I'm running 3.2.4 with SARE, sough, and Botnet. We don't use bayes. Here are some samples of messages that have got through: http://pastebin.com/m16055c85 http://pastebin.com/m52635526 http://pastebin.com/m491c4882 http://pastebin.com/m7c1240f2 I get a HTTP/1.1 404 Not Found on all 4