Re: Running SA without the bayesian classifier

2014-08-12 Thread Matus UHLAR - fantomas
On 11.08.14 16:38, Matteo Dessalvi wrote: I am planning to install SA on our SMTP MTAs, which deals only with outgoing traffic generated in the internal network. I am making the assumption that our clients are mostly sending 'clean' email (I know, I am trusting *a lot* my users but

Re: Running SA without the bayesian classifier

2014-08-12 Thread Matteo Dessalvi
Hi all. Thanks for all the answers. I am afraid I was being naive. I was explicitly thinking of a scenario like this: filter as much as possible 'unsolicited email' sent by some (possibly) 'infected' account. I thought that turning off the bayesian classifier (and the RBL checks) would still

Spam score in headers does not match the Content analysis report

2014-08-12 Thread matth
Hello All, Please have a look at the email below: in the content analysis report (in the body) the spam score appears as 5.1 points. The email is correctly identified as spam, the subject line changed to include *SPAM*. However, in the email headers the score appears as 0.001, message is

Re: Spam score in headers does not match the Content analysis report

2014-08-12 Thread Bowie Bailey
On 8/12/2014 6:31 AM, matth wrote: Hello All, Please have a look at the email below: in the content analysis report (in the body) the spam score appears as 5.1 points. The email is correctly identified as spam, the subject line changed to include *SPAM*. However, in the email headers

Re: Opinions needed on what to consider spam

2014-08-12 Thread Alex
Hi, We periodically have users that complain about receiving email they believe to be spam, but it looks to be legitimate. What's your definition of legitimate :) ? My definition of spam is email which is: - unsolicited (ie: the user didn't sign up for some newsletter or mailing list

Re: Opinions needed on what to consider spam

2014-08-12 Thread David F. Skoll
On Tue, 12 Aug 2014 09:41:07 -0400 Alex mysqlstud...@gmail.com wrote: I define legitimate as having been sent through a reputable company's mail system. Chances are, Computer Associates aren't spamming people. I disagree with that. In my opinion, only two criteria are needed to define spam:

Re: Opinions needed on what to consider spam

2014-08-12 Thread Bowie Bailey
On 8/12/2014 9:48 AM, David F. Skoll wrote: On Tue, 12 Aug 2014 09:41:07 -0400 Alex mysqlstud...@gmail.com wrote: I define legitimate as having been sent through a reputable company's mail system. Chances are, Computer Associates aren't spamming people. I disagree with that. In my opinion,

Re: Running SA without the bayesian classifier

2014-08-12 Thread Matus UHLAR - fantomas
On 12.08.2014 08:43 Matus UHLAR wrote: That means, much of rules that push over limit will not hit. You still should not push required_score down, I remember outgoing mail being blocked by inherited servers for hitting 7.0... On 12.08.14 12:08, Matteo Dessalvi wrote: I was thinking about

Re: Spam score in headers does not match the Content analysis report

2014-08-12 Thread Matus UHLAR - fantomas
On 8/12/2014 6:31 AM, matth wrote: Please have a look at the email below: in the content analysis report (in the body) the spam score appears as 5.1 points. The email is correctly identified as spam, the subject line changed to include *SPAM*. However, in the email headers the score

Re: Opinions needed on what to consider spam

2014-08-12 Thread David F. Skoll
On Tue, 12 Aug 2014 10:02:37 -0400 Bowie Bailey bowie_bai...@buc.com wrote: On 8/12/2014 9:48 AM, David F. Skoll wrote: 1) An objective criterion: Was the message unsolicited? Unfortunately, that can be difficult to determine. Yes, definitely. But in principle, a message is either

Re: Spam score in headers does not match the Content analysis report

2014-08-12 Thread Bowie Bailey
On 8/12/2014 10:05 AM, Matus UHLAR - fantomas wrote: On 8/12/2014 6:31 AM, matth wrote: Please have a look at the email below: in the content analysis report (in the body) the spam score appears as 5.1 points. The email is correctly identified as spam, the subject line changed to include

Re: Running SA without the bayesian classifier

2014-08-12 Thread Karl Johnson
On Tue, Aug 12, 2014 at 6:08 AM, Matteo Dessalvi mte...@yahoo.it wrote: Hi all. Thanks for all the answers. I am afraid I was being naive. I was explicitly thinking of a scenario like this: filter as much as possible 'unsolicited email' sent by some (possibly) 'infected' account. I

Re: Spam score in headers does not match the Content analysis report

2014-08-12 Thread matth
Oh, right, thanks. It is amavis. I did not realise it was triggering SA. Thanks for the pointer. -- View this message in context: http://spamassassin.1065346.n5.nabble.com/Spam-score-in-headers-does-not-match-the-Content-analysis-report-tp110896p110906.html Sent from the SpamAssassin -

Re: Spam score in headers does not match the Content analysis report

2014-08-12 Thread Bowie Bailey
On 8/12/2014 10:42 AM, matth wrote: Oh, right, thanks. It is amavis. I did not realise it was triggering SA. Thanks for the pointer. Doing spam scanning with Amavis can be useful. It gives you the ability to reject high-scoring spam, but you lose some of the per-user customizations. If

Re: Rule for single URL in body with very few text

2014-08-12 Thread Karl Johnson
On Mon, Aug 11, 2014 at 5:46 PM, Karsten Bräckelmann guent...@rudersport.de wrote: On Mon, 2014-08-11 at 15:48 -0400, Karl Johnson wrote: Is there any rule to score an email with only 1 URL and very few text? It could trigger only text formatted email because they usually aren't in HTML.

Tons of spam getting through

2014-08-12 Thread Greg Ledford
Can someone tell me why Spamassassin/Amavis are missing these types of very obvious emails? I'm still trying to figure all of this out and I know I missed something somewhere. Thanks. Received: from es300.phhwtechnology.com (10.0.1.3) by mail.phhwtechnology.com (10.0.1.5) with Microsoft SMTP

Re: Tons of spam getting through

2014-08-12 Thread John Hardin
On Tue, 12 Aug 2014, Greg Ledford wrote: Can someone tell me why Spamassassin/Amavis are missing these types of very obvious emails? I'm still trying to figure all of this out and I know I missed something somewhere. Thanks. Those headers don't seem to claim that message was even scanned by

RE: Tons of spam getting through

2014-08-12 Thread Greg Ledford
Can someone tell me why Spamassassin/Amavis are missing these types of very obvious emails? I'm still trying to figure all of this out and I know I missed something somewhere. Thanks. Those headers don't seem to claim that message was even scanned by SA. Do messages that SA *does* properly

RE: Tons of spam getting through

2014-08-12 Thread John Hardin
On Tue, 12 Aug 2014, Greg Ledford wrote: Can someone tell me why Spamassassin/Amavis are missing these types of very obvious emails? I'm still trying to figure all of this out and I know I missed something somewhere. Thanks. Those headers don't seem to claim that message was even scanned by

RE: Tons of spam getting through

2014-08-12 Thread Greg Ledford
They may take a couple of different forms depending on how SA is hooked into your mail infrastructure. Basic SA headers start with X-Spam, like X-Spam-Status and X-Spam-Report. If you're using Amavis, then there would be some Amavis headers. (Note that the mention of Amavis in the Received

Re: Tons of spam getting through

2014-08-12 Thread Karl Johnson
On Tue, Aug 12, 2014 at 1:27 PM, Greg Ledford gledf...@phhwtechnology.com wrote: It should just be called by Amavis directly. Sometimes it scans and sometimes it doesn't. I just found another obvious piece of email that SA and Amavis scanned and missed. I tried to attach the headers but they

RE: Tons of spam getting through

2014-08-12 Thread John Hardin
On Tue, 12 Aug 2014, Greg Ledford wrote: They may take a couple of different forms depending on how SA is hooked into your mail infrastructure. Basic SA headers start with X-Spam, like X-Spam-Status and X-Spam-Report. If you're using Amavis, then there would be some Amavis headers. (Note

FW: Tons of spam getting through

2014-08-12 Thread Greg Ledford
Take a look at the sa_tag_level_deflt in your amavisd configuration file. $sa_tag_level_deflt = 5.5; $sa_tag2_level_deflt= 6.0; $sa_spam_subject_tag= '***POSSIBLE SPAM***'; $sa_kill_level_deflt= 7.0; I did. I bumped the levels a bit because they were catching some legitimate

Re: Opinions needed on what to consider spam

2014-08-12 Thread Alex
Hi, I disagree with that. In my opinion, only two criteria are needed to define spam: 1) An objective criterion: Was the message unsolicited? Unfortunately, that can be difficult to determine. People frequently put themselves on mailing lists as a consequence of creating a free account on

Re: FW: Tons of spam getting through

2014-08-12 Thread Karl Johnson
On Tue, Aug 12, 2014 at 2:50 PM, Greg Ledford gledf...@phhwtechnology.com wrote: Take a look at the sa_tag_level_deflt in your amavisd configuration file. $sa_tag_level_deflt = 5.5; $sa_tag2_level_deflt= 6.0; $sa_spam_subject_tag= '***POSSIBLE SPAM***';

RE: FW: Tons of spam getting through

2014-08-12 Thread Greg Ledford
Use sa_tag_level_deflt = -100; All your emails will have the SpamAssassin headers. Changed and Amavis has been restarted. I’ll check the headers on the next piece of spam to come through. Thanks for the great help!

Re: Opinions needed on what to consider spam

2014-08-12 Thread Kris Deugau
Alex wrote: Bowie Bailey wrote: But you still have to consider point 1. If a user starts complaining that he's getting spam from Amazon, I'm not going to mess with SA, I'm going to tell him to click the unsubscribe link at the bottom of the email. (Assuming that it actually is from Amazon,

Re: Opinions needed on what to consider spam

2014-08-12 Thread Dave Warren
On 2014-08-12 15:11, Kris Deugau wrote: So... What do you do, when user A gets extremely mad to see $legitimatenewsletter in their Inbox, and user B gets extremely mad to see $legitimatenewsletter in their Spam folder? If you only have a global policy with no way to adjust on a per-user basis,

Re: Rule for single URL in body with very few text

2014-08-12 Thread Karsten Bräckelmann
On Tue, 2014-08-12 at 11:42 -0400, Karl Johnson wrote: Thanks for the rule Karsten. I've already searched the archive to find this kind of rule and found few topic but I haven't been able to make it works yet. I will try this one and see how it goes. Searching is much easier, if you know some

FPs on KAM_BODY_URIBL_PCCC

2014-08-12 Thread David B Funk
We're seeing FPs on legitimate messages caused by KAM_BODY_URIBL_PCCC. It is firing on URLs from MSPs that (altho they may have some questionable clients) have legimate customers. EG: mandrillapp-dot-com and streamsend-dot-com I'm a bit suprised that this rule would have a one-shot-kill score of

Re: FPs on KAM_BODY_URIBL_PCCC

2014-08-12 Thread Kevin A. McGrail
Both of those are recent, I believe and both have reasons to blacklist. Reporting here is fine. Joe will look at moving them to our marketing list but in the end you might have to consider a custom score because we consider places with convicted spammers as suitable for listing even if there

Re: Opinions needed on what to consider spam

2014-08-12 Thread Steve Bergman
On 08/12/2014 05:11 PM, Kris Deugau wrote: So... What do you do, when user A gets extremely mad to see $legitimatenewsletter in their Inbox, and user B gets extremely mad to see $legitimatenewsletter in their Spam folder? Tell user A to unsubscribe? And don't do anything to increase the