Re: Network Tests / Rule Files Directories

2009-08-05 Thread Matus UHLAR - fantomas
On 04.08.09 16:39, Stefan Malte Schumacher wrote:
 And it seems AWL really is the problem. Here are the relevant passages from
 another Email, which only got enough points to be identified as Spam because
 it was both in DCC and Razor.
 
 5.0 RAZOR2_CHECK Listed in Razor2 (http://razor.sf.net/)
 5.0 DCC_CHECK Listed in DCC (http://rhyolite.com/anti-spam/dcc/)
 -4.9 AWL AWL: From: address is in the auto white-list
 The message got 7,1 points in the end. 
 
 So what should I do? Disable the Auto-Whitelist? Or simply use higher scores
 for RAZOR_CHECK etc. ?

note, the higher scores for RAZOR and DCC will be, the lower the AWL score
will be. Of course, the sum will be higher, but I don't advise to play with
scores that much, setting score 5 and higher is very risky
-- 
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
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Re: Network Tests / Rule Files Directories

2009-08-04 Thread Stefan Malte Schumacher

AWL. Obviously, it counters the custom scores, based on the sender's
history. And it seems, the sores have been really low in the past.

  spamassassin -t  sample

 What does that say at the bottom of the output, for this sample?

Inhaltsanalyse im Detail:   (8.3 Punkte, 5.0 benötigt)

Pkte Regelname  Beschreibung
 --
--
 0.0 MISSING_MIDMissing Message-Id: header
 0.0 MISSING_DATE   Datumskopfzeile fehlt
-0.0 NO_RELAYS  Informational: message was not relayed via SMTP
 2.5 MISSING_HB_SEP Missing blank line between message header and
body
 1.6 MISSING_HEADERSEmpfängeradresse (To) fehlt
 2.9 TVD_SPACE_RATIOBODY: TVD_SPACE_RATIO
 1.3 MISSING_SUBJECTBetreff (Subject) fehlt
-0.0 NO_RECEIVEDInformational: message has no Received headers
 0.0 NO_HEADERS_MESSAGE Message appears to be missing most RFC-822
headers
-

And it seems AWL really is the problem. Here are the relevant passages from
another Email, which only got enough points to be identified as Spam because
it was both in DCC and Razor.

5.0 RAZOR2_CHECK Listed in Razor2 (http://razor.sf.net/)
5.0 DCC_CHECK Listed in DCC (http://rhyolite.com/anti-spam/dcc/)
-4.9 AWL AWL: From: address is in the auto white-list
The message got 7,1 points in the end. 

So what should I do? Disable the Auto-Whitelist? Or simply use higher scores
for RAZOR_CHECK etc. ?

Bye
Stefan




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Re: Network Tests / Rule Files Directories

2009-08-02 Thread Karsten Bräckelmann
On Sat, 2009-08-01 at 18:15 -0700, Stefan Malte Schumacher wrote:
  Evidence that it's not working? Show us some SA headers. In this case, a
  spam sample that triggered DCC, cause the Report header does show the
  rule's score.

Hmm, I wasn't clear enough. :)  I meant an identified spam, where the
Report header is added. It isn't with that sample. Anyway...

 Here is an example with Razor2, but I guess the underlying problem is the
 same. 
 
 http://www.pagan.mynetcologne.de/example-email

X-Spam-Status: No, score=2.2 required=5.0 tests=AWL,HTML_IMAGE_RATIO_04,
  HTML_MESSAGE,RAZOR2_CF_RANGE_51_100,RAZOR2_CF_RANGE_E4_51_100,RAZOR2_CHECK,
  UNPARSEABLE_RELAY autolearn=no version=3.2.5

 As you can see, the message only gets a score of 2.2. In the beginning I
 believed that I made some embarrassing mistake with the rules concerning the
 network checks, but if you say these are okay the problem most likely lies
 somewhere else. 

AWL. Obviously, it counters the custom scores, based on the sender's
history. And it seems, the sores have been really low in the past.

  spamassassin -t  sample

What does that say at the bottom of the output, for this sample?


-- 
char *t=\10pse\0r\0dtu...@ghno\x4e\xc8\x79\xf4\xab\x51\x8a\x10\xf4\xf4\xc4;
main(){ char h,m=h=*t++,*x=t+2*h,c,i,l=*x,s=0; for (i=0;il;i++){ i%8? c=1:
(c=*++x); c128  (s+=h); if (!(h=1)||!t[s+h]){ putchar(t[s]);h=m;s=0; }}}



Re: Network Tests / Rule Files Directories

2009-08-01 Thread Stefan Malte Schumacher

 I have tried adding the appropriate lines, which I believe should be
 score DCC_CHECK 5.0 if I want all emails which pass the DCC-Check
 to get 5 points. Unfortunately this is not working, neither for DCC
 nor for Razor.

Yes, that should do it.

Evidence that it's not working? Show us some SA headers. In this case, a
spam sample that triggered DCC, cause the Report header does show the
rule's score.

Here is an example with Razor2, but I guess the underlying problem is the
same. 

http://www.pagan.mynetcologne.de/example-email

I have the following rules in my user_prefs

score DCC_CHECK 5.0
score RAZOR2_CECK 5.0
score PYZOR_CHECK 5.0

As you can see, the message only gets a score of 2.2. In the beginning I
believed that I made some embarrassing mistake with the rules concerning the
network checks, but if you say these are okay the problem most likely lies
somewhere else. 

Btw: I have greped my mailboxes for hits with DCC, Razor2 and Pyzor and have
found that DCC identifies the most spam, Razor about half as much and Pyzor
close to nothing. Is its database just that small or is there some
configuration option that can be tweaked for better performance?

Bye
Stefan
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Re: Network Tests / Rule Files Directories

2009-08-01 Thread Stefan Malte Schumacher

 score RAZOR2_CECK 5.0

Yes, I have seen my mistake (after sending the email). But the problem with
DCC persists and in that case I was even able to spell a simple
three-word-rule correctly. I am going to post another example with DCC as
soon as possible.

Bye
Stefan 


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Re: Network Tests / Rule Files Directories

2009-07-31 Thread Karsten Bräckelmann
On Thu, 2009-07-30 at 19:30 -0700, Stefan Malte Schumacher wrote:
 Hello

A Nabble user with a name. Hooray! :)

 :0fw: spamassassin.lock
 | spamassassin

I suggest running the spamd daemon, and then change that to call spamc
rather than plain spamassassin. That eliminates the start-up penalty for
starting Perl and SA for each incoming message.

 :0
 * ^X-Spam-Status: Yes
 spam

A delivery recipe, mbox format destination. You want locking. (Default
is perfectly fine, just make that first line :0: with a trailing colon.)


 My first problem is that there is still a lot of spam coming through.
 I have enabled and configured Razor, DCC and Pyzor but even though
 most spam is recognized by DCC it doesn't give enough points to
 classify the mail as spam.

If this doesn't help, you might be better of uploading a raw sample
including all headers somewhere (own server, or a pastebin) and send a
link.

Spam coming through can have a lot of reasons. Your stabbing at these
particular 3 rules might or might not be the real cause.

 I have tried adding the appropriate lines, which I believe should be
 score DCC_CHECK 5.0 if I want all emails which pass the DCC-Check
 to get 5 points. Unfortunately this is not working, neither for DCC
 nor for Razor.

Yes, that should do it.

Evidence that it's not working? Show us some SA headers. In this case, a
spam sample that triggered DCC, cause the Report header does show the
rule's score.

 So which lines do I have to add in order for all mails which are
 recognized by either DCC, Razor or Pyzor to be classified as Spam?

Keep in mind that DCC lists *bulk*, not necessarily spam. Mailing-list
traffic is one example, usually listed by DCC.


 Locate lists two directories with SpamAssassin-Rules:
 /var/lib/spamassassin/3.002005/updates_spamassassin_org/

sa-update channels' rule-sets.

 /usr/share/spamassassin

Stock rules shipped with SA. Put there at install time, which may be a
package manager or from source. These will be used by default. Ignored,
if there is an sa-update dir.

 Running spamassassin -D  sample-spam.txt seems to indicate that only
 the directory under /var/lib is used. Can I delete the old files in
 /usr/share/spamassassin or are they still needed? Why does

They will not be used, as long as there's *always* an sa-update dir with
a version matching your current SA version. As a fallback, and not to
mess with your install process, I do not recommend to flame it. It's
just 620 kB anyway.

 SpamAssassin place the updates rules in a different directoy than the
 one in which the original rules are installed?

Because the update ones are versioned. Because there may be multiple
channels. Because package managers generally don't like messing with
their install base. ;)  And because it is a safe fallback.


-- 
char *t=\10pse\0r\0dtu...@ghno\x4e\xc8\x79\xf4\xab\x51\x8a\x10\xf4\xf4\xc4;
main(){ char h,m=h=*t++,*x=t+2*h,c,i,l=*x,s=0; for (i=0;il;i++){ i%8? c=1:
(c=*++x); c128  (s+=h); if (!(h=1)||!t[s+h]){ putchar(t[s]);h=m;s=0; }}}



Network Tests / Rule Files Directories

2009-07-30 Thread Stefan Malte Schumacher

Hello

Before I begin with my questions, here is a description of my setup: I
am using the latest version of SpamAssassin (3.2.5). My perl version
is perl-5.8.3-32.9 - the distribution (Suse 9.1) is rather old, most
of the packages I actually use are self-compiled. I use getmail 4.9.1
to fetch the emails, which are then handed to procmail 3.22-39.7,
which calls spamassassin with the following rules:

:0fw: spamassassin.lock
| spamassassin

:0
* ^X-Spam-Status: Yes
spam

My first problem is that there is still a lot of spam coming through.
I have enabled and configured Razor, DCC and Pyzor but even though
most spam is recognized by DCC it doesn't give enough points to
classify the mail as spam.

I have tried adding the appropriate lines, which I believe should be
score DCC_CHECK 5.0 if I want all emails which pass the DCC-Check
to get 5 points. Unfortunately this is not working, neither for DCC
nor for Razor. I know the config file
/home/stefan/.spamassassin/user_prefs is read and working since my
blacklist-entries are recognized, as is report_safe 0.
So which lines do I have to add in order for all mails which are
recognized by either DCC, Razor or Pyzor to be classified as Spam?

My second question is much simpler:

Locate lists two directories with SpamAssassin-Rules:
/var/lib/spamassassin/3.002005/updates_spamassassin_org/
/usr/share/spamassassin

Running spamassassin -D  sample-spam.txt seems to indicate that only
the directory under /var/lib is used. Can I delete the old files in
/usr/share/spamassassin or are they still needed? Why does
SpamAssassin place the updates rules in a different directoy than the
one in which the original rules are installed?

Bye
Stefan

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