Re: Does SpamAssassin perform tests/scans on attachments?

2010-07-22 Thread Daniel Lemke
Karsten Bräckelmann-2 wrote: On Wed, 2010-07-21 at 01:12 -0700, Ted Mittelstaedt wrote: On 7/20/2010 11:55 PM, Daniel Lemke wrote: To hijack the thread: Does anyone know an optimum for message size limit? Ours is set to 2MB at the moment, but we have problems when receiving large

Re: Does SpamAssassin perform tests/scans on attachments?

2010-07-22 Thread Daniel Lemke
Henrik K wrote: But make sure you have SA 3.3, you should use the time_limit [2] local.cf option. If you have latest SA and there are rules which hang, you should identify them (can't remember the easiest way right now) and maybe post a bug. [1]

Re: Does SpamAssassin perform tests/scans on attachments?

2010-07-22 Thread Henrik K
On Thu, Jul 22, 2010 at 01:27:57AM -0700, Daniel Lemke wrote: Henrik K wrote: But make sure you have SA 3.3, you should use the time_limit [2] local.cf option. If you have latest SA and there are rules which hang, you should identify them (can't remember the easiest way right now)

Re: Does SpamAssassin perform tests/scans on attachments?

2010-07-22 Thread Ted Mittelstaedt
On 7/21/2010 10:03 AM, Adam Moffett wrote: On 7/21/2010 12:45 PM, Karsten Bräckelmann wrote: On Wed, 2010-07-21 at 12:25 -0400, Adam Moffett wrote: I've seen people post in the past that SA will demime text attachments, and now someone says it won't. Ted was answering a question about

AWL observations

2010-07-22 Thread Eric A. Hall
Sometimes the AWL rule doesn't appear in the list. From looking at the behavior it seems that the rule is only guaranteed to fire if the stored score for the tuple is significantly different than the message score, or if the stored tuple has a very high stored score. But if the stored score and

Re: AWL observations

2010-07-22 Thread Michael Scheidell
On 7/22/10 10:32 AM, Eric A. Hall wrote: Sometimes the AWL rule doesn't appear in the list. From looking at the due to performance vs accuracy issues, AWL was demoted in SA 3.3x. It might not be worth the cpu cycles -- Michael Scheidell, CTO Phone: 561-999-5000, x 1259 *| *SECNAP Network

Re: AWL observations

2010-07-22 Thread RW
On Thu, 22 Jul 2010 10:32:37 -0400 Eric A. Hall eh...@ntrg.com wrote: Sometimes the AWL rule doesn't appear in the list. From looking at the behavior it seems that the rule is only guaranteed to fire if the stored score for the tuple is significantly different than the message score, or if

Re: AWL observations

2010-07-22 Thread Eric A. Hall
On 7/22/2010 11:24 AM, RW wrote: I don't recall seeing anything like that. Are sure it's not due to the IP address changing or AWL being short-circuited? My testing is with local message files. If I use sa-awl to dump the database I can see the counter increment, but the rule doesn't fire

Change .spamassassin directory

2010-07-22 Thread Neil Hodge
All: Just wondering how to change the user-local prefs directory .spamassassin. I have tried all combinations of commands and options, including /usr/bin/spamassassin --configpath=/path/to/saprefs, but I keep getting the response config: no rules were found! Do you need to run 'sa-update'?

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 08:57 -0700, Neil Hodge wrote: All: Just wondering how to change the user-local prefs directory .spamassassin. I have tried all combinations of commands and options, including /usr/bin/spamassassin --configpath=/path/to/saprefs, man spamassassin-run That would be

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
Please keep list-posts on list. On Thu, 2010-07-22 at 10:03 -0700, Neil Hodge wrote: 2010/7/22 Karsten Bräckelmann guent...@rudersport.de: man spamassassin-run That would be --prefspath. Only used for per-user preferences, usually does *not* contain any rules. The --configpath points

Re: thanks to thinking people.

2010-07-22 Thread Benny Pedersen
On ons 21 jul 2010 19:09:55 CEST, Alexandre Chapellon wrote You can have forged return-path and /or stollen credentials... in both cases you look like a backscatter source. show logs i belive postfix is smart to change forged sender to something that is not fqdn before it bounce :) --

Re: AWL observations

2010-07-22 Thread Benny Pedersen
On tor 22 jul 2010 16:47:21 CEST, Michael Scheidell wrote On 7/22/10 10:32 AM, Eric A. Hall wrote: Sometimes the AWL rule doesn't appear in the list. From looking at the due to performance vs accuracy issues, AWL was demoted in SA 3.3x. well if running awl as it was 3.2.x then its wasting

Re: Change .spamassassin directory

2010-07-22 Thread Neil Hodge
Karsten: 2010/7/22 Karsten Bräckelmann guent...@rudersport.de: Anyway, I still do not see why you want to change these to begin with. If you want site-wide databases, check out the wiki and its information how to do that. If the reason is anything else -- you probably should not do it. ;)

Re: thanks to thinking people.

2010-07-22 Thread Charles Gregory
On Thu, 22 Jul 2010, Benny Pedersen wrote: On ons 21 jul 2010 19:09:55 CEST, Alexandre Chapellon wrote You can have forged return-path and /or stollen credentials... in both cases you look like a backscatter source. i belive postfix is smart to change forged sender to something that is not

Re: thanks to thinking people.

2010-07-22 Thread Benny Pedersen
On tor 22 jul 2010 20:03:18 CEST, Charles Gregory wrote A forged sender looks no different than a legitimate sender. Postfix would have no way to be 'smart' about this (except for some instances of SPF fail, but then why 'bounce'? Why not reject?). and why not show logs ? bounces is newer

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 11:05 -0700, Neil Hodge wrote: 2010/7/22 Karsten Bräckelmann guent...@rudersport.de: Anyway, I still do not see why you want to change these to begin with. If you want site-wide databases, check out the wiki and its information how to do that. If the reason is

Re: sa-update

2010-07-22 Thread Grant Peel
- Original Message - From: Matus UHLAR - fantomas uh...@fantomas.sk To: users@spamassassin.apache.org Sent: Tuesday, July 20, 2010 7:34 AM Subject: Re: sa-update Hello, please configure your mailer to wrap lines below 80 characters per line. 72 to 75 is usually OK. Thank you. On

Re: Change .spamassassin directory

2010-07-22 Thread Neil Hodge
Karsten: 2010/7/22 Karsten Bräckelmann guent...@rudersport.de: So, did you just say, that you check mail for one account (you mentioned a single ISP only) from two different places, namely home and work? That scenario spells IMAP to me -- your *own* IMAP server at home. That way, you will

Re: [sa] Re: thanks to thinking people.

2010-07-22 Thread Charles Gregory
On Thu, 22 Jul 2010, Benny Pedersen wrote: On tor 22 jul 2010 20:03:18 CEST, Charles Gregory wrote A forged sender looks no different than a legitimate sender. Postfix would have no way to be 'smart' about this (except for some instances of SPF fail, but then why 'bounce'? Why not reject?).

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 11:51 -0700, Neil Hodge wrote: 2010/7/22 Karsten Bräckelmann guent...@rudersport.de: So, did you just say, that you check mail for one account (you mentioned a single ISP only) from two different places, namely home and work? That scenario spells IMAP to me -- your

Re: Change .spamassassin directory

2010-07-22 Thread Ted Mittelstaedt
On 7/22/2010 11:51 AM, Neil Hodge wrote: Karsten: 2010/7/22 Karsten Bräckelmannguent...@rudersport.de: So, did you just say, that you check mail for one account (you mentioned a single ISP only) from two different places, namely home and work? That scenario spells IMAP to me -- your *own*

Re: Change .spamassassin directory

2010-07-22 Thread Ted Mittelstaedt
On 7/22/2010 12:32 PM, Karsten Bräckelmann wrote: One possible scenario I've been using a couple of times already: fetchmail to periodically poll mail every few minutes. Ideally a local SMTP server like postfix. procmail, which you already mentioned, feeding the mail to spamc and delivering

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 12:45 -0700, Ted Mittelstaedt wrote: A lot of people have gotten home mailservers running on so-called dynamic IP addresses - when they have discovered that Comca$t will continually approve DHCP re-lease requests for the same IP address. Often people can go for 4-6

Re: thanks to thinking people.

2010-07-22 Thread Ted Mittelstaedt
On 7/22/2010 11:03 AM, Charles Gregory wrote: On Thu, 22 Jul 2010, Benny Pedersen wrote: On ons 21 jul 2010 19:09:55 CEST, Alexandre Chapellon wrote You can have forged return-path and /or stollen credentials... in both cases you look like a backscatter source. i belive postfix is smart to

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 12:55 -0700, Ted Mittelstaedt wrote: On 7/22/2010 12:32 PM, Karsten Bräckelmann wrote: The biggest downside IMHO is that you lose functionality on the RBL For example at 9am spammer spews. At 9:15 spammer is listed in RBL. At 10:0m spammer mails you and your ISP

Re: thanks to thinking people.

2010-07-22 Thread Ted Mittelstaedt
On 7/22/2010 11:29 AM, Benny Pedersen wrote: On tor 22 jul 2010 20:03:18 CEST, Charles Gregory wrote A forged sender looks no different than a legitimate sender. Postfix would have no way to be 'smart' about this (except for some instances of SPF fail, but then why 'bounce'? Why not reject?).

Re: Change .spamassassin directory

2010-07-22 Thread Martin Gregorie
On Thu, 2010-07-22 at 12:55 -0700, Ted Mittelstaedt wrote: The truth is that ETRN is the way your supposed to do this kind of thing, fetchmail is a hack. But even ETRN is not as good as your own server. And fetchmail is fairly buggy. When I was using it I found that if it got interrupted,

Re: Change .spamassassin directory

2010-07-22 Thread Ted Mittelstaedt
On 7/22/2010 12:59 PM, Karsten Bräckelmann wrote: On Thu, 2010-07-22 at 12:45 -0700, Ted Mittelstaedt wrote: A lot of people have gotten home mailservers running on so-called dynamic IP addresses - when they have discovered that Comca$t will continually approve DHCP re-lease requests for the

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 21:24 +0100, Martin Gregorie wrote: On Thu, 2010-07-22 at 12:55 -0700, Ted Mittelstaedt wrote: The truth is that ETRN is the way your supposed to do this kind of thing, fetchmail is a hack. But even ETRN is not as good as your own server. And fetchmail is fairly

Re: Change .spamassassin directory

2010-07-22 Thread Ted Mittelstaedt
On 7/22/2010 1:13 PM, Karsten Bräckelmann wrote: On Thu, 2010-07-22 at 12:55 -0700, Ted Mittelstaedt wrote: On 7/22/2010 12:32 PM, Karsten Bräckelmann wrote: The biggest downside IMHO is that you lose functionality on the RBL For example at 9am spammer spews. At 9:15 spammer is listed in

Re: thanks to thinking people.

2010-07-22 Thread Alexandre Chapellon
Thanks Ted for that example i could not have wrote in english myself. Le jeudi 22 juillet 2010 à 13:23 -0700, Ted Mittelstaedt a écrit : On 7/22/2010 11:29 AM, Benny Pedersen wrote: On tor 22 jul 2010 20:03:18 CEST, Charles Gregory wrote A forged sender looks no different than a

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 13:37 -0700, Ted Mittelstaedt wrote: On 7/22/2010 12:59 PM, Karsten Bräckelmann wrote: I can only report what I've seen - I don't use comca$t myself and I don't have a lot of direct experience with it. Obviously, neither do I. :) I believe we where not talking about

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 13:48 -0700, Ted Mittelstaedt wrote: On 7/22/2010 1:13 PM, Karsten Bräckelmann wrote: Yes, I do maintain some home systems like that. With freemailers or ISP accounts it often isn't possible any other way. Polling interval of a minute or two. And if everyone polled

Re: Change .spamassassin directory

2010-07-22 Thread Martin Gregorie
On Thu, 2010-07-22 at 22:48 +0200, Karsten Bräckelmann wrote: Interesting. After years of fetchmail usage, and way above single-figure millions of messages fetched (just a very conservative estimate), I have yet to find even one mail stuck on a server. It worked well for me for a couple of

Re: Change .spamassassin directory

2010-07-22 Thread Neil Hodge
Karsten, all: I may be wrong, but I understand Neil is talking about a single, ISP provided email address. Just about the same as any Gmail, Yahoo or GMX address. There is NO way for a 5xx SMTP response. In fact, he was explicitly talking about an IMAP account, so the mail has been delivered

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 14:54 -0700, Neil Hodge wrote: I may be wrong, but I understand Neil is talking about a single, ISP provided email address. Just about the same as any Gmail, Yahoo or GMX address. There is NO way for a 5xx SMTP response. In fact, he was explicitly talking about an

Re: Change .spamassassin directory

2010-07-22 Thread RW
On Thu, 22 Jul 2010 12:55:12 -0700 Ted Mittelstaedt t...@ipinc.net wrote: The biggest downside IMHO is that you lose functionality on the RBL For example at 9am spammer spews. At 9:15 spammer is listed in RBL. At 10:0m spammer mails you and your ISP picks up the mail because they aren't

Re: Change .spamassassin directory

2010-07-22 Thread Ted Mittelstaedt
On 7/22/2010 2:18 PM, Karsten Bräckelmann wrote: On Thu, 2010-07-22 at 13:48 -0700, Ted Mittelstaedt wrote: On 7/22/2010 1:13 PM, Karsten Bräckelmann wrote: Yes, I do maintain some home systems like that. With freemailers or ISP accounts it often isn't possible any other way. Polling

CEAS paper on SpamAssassin

2010-07-22 Thread J.D. Falk
I hadn't seen this mentioned here yet, though perhaps I missed it. At CEAS last week, some researchers from Brazil presented a paper where they tracked the evolution of spamming techniques against the parallel evolution of SpamAssassin rulesets. It was heartening to see that each new SA

Re: Change .spamassassin directory

2010-07-22 Thread Karsten Bräckelmann
On Thu, 2010-07-22 at 16:10 -0700, Ted Mittelstaedt wrote: On 7/22/2010 2:18 PM, Karsten Bräckelmann wrote: Ted, I believe you're thinking too large-scale. I may be wrong, but I understand Neil is talking about a single, ISP provided email address. OK, I missed that, I was assuming he

Re: disable trusted_networks and internal_networks

2010-07-22 Thread Matt Kettler
On 7/20/2010 9:07 AM, Bowie Bailey wrote: On 7/19/2010 8:23 PM, Matt Kettler wrote: On 7/16/2010 2:31 PM, Cliff Hayes wrote: Hello, Our webmail server is on the same server as sendmail and spamassassin. I would like to filter outbound webmail but can't because the most recent

Re: AWL observations

2010-07-22 Thread Matt Kettler
On 7/22/2010 10:32 AM, Eric A. Hall wrote: Sometimes the AWL rule doesn't appear in the list. That's correct. At the very least, The AWL is a score averager, so the first message from a given From: and source IP combination cannot be AWLed. This definitely will cause a no-show. You need an

Re: AWL observations

2010-07-22 Thread Matt Kettler
On 7/22/2010 10:47 AM, Michael Scheidell wrote: On 7/22/10 10:32 AM, Eric A. Hall wrote: Sometimes the AWL rule doesn't appear in the list. From looking at the due to performance vs accuracy issues, AWL was demoted in SA 3.3x. It might not be worth the cpu cycles Slight Correction: The

Re: AWL observations

2010-07-22 Thread Eric A. Hall
On 7/22/2010 11:07 PM, Matt Kettler wrote: On 7/22/2010 10:32 AM, Eric A. Hall wrote: If the current code is intended, I'd like to request a new function call that tells if the tuple exists and the number of times it has been seen For what purpose? (Not trying to be mean, just asking,