[Declude.JunkMail] Helobogus error..

2002-11-19 Thread eddie pang
Hi All,

I was wondering if someone can has experienced a error in helobogus.  For
some weird reason, I consistantly get a error with helobogus like
hotmail.com with the msg failed.  For some reason cs.com does not resolve
either.

11/19/2002 00:05:07 Q0cd19bfb002cf91d HELOBOGUS:8 REVDNS:4 .  Total weight =
12
11/19/2002 00:05:07 Q0cd19bfb002cf91d Msg failed HELOBOGUS (Domain
[EMAIL PROTECTED] by has no MX/A records.).
11/19/2002 00:05:07 Q0cd19bfb002cf91d Msg failed REVDNS (This E-mail was
sent from a MUA/MTA  with no reverse DNS entry.).
11/19/2002 00:05:07 Q0cd19bfb002cf91d Msg failed WEIGHT10 (Weight of 12
reaches or exceeds the limit of 10.).
11/19/2002 00:05:07 Q0cd19bfb002cf91d Msg failed WEIGHT12 (Weight of 12
reaches or exceeds the limit of 12.).
11/19/2002 00:05:07 Q0cd19bfb002cf91d Subject: [FWD: Fwd: FW: Fun Stuff]
11/19/2002 00:05:07 Q0cd19bfb002cf91d From: [EMAIL PROTECTED] To:
[EMAIL PROTECTED]


Thanks in advance,
eddie :)

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[Declude.JunkMail] HELO issues

2002-11-19 Thread Mistress O'Giggles
Hi everybody,

My UNIX systems (two different machines using two different MTAs:
sendmail and postfix) send a HELO using localhost. From what I can tell,
this is common practice because administrators want to hide security
details from other mail servers. However, JunkMail marks this as a
problem.

I am trying to relay auto-generated email from a PostNuke environment to
a server that is using JunkMail. It never works, and the main problem
seems to be the way that the PostNuke machine's MTA (postfix, in this
case) is doing a HELO localhost. Lots of UNIX MTAs do this by default.

I have seen some discussions that say that no decisions should be made
on the content of a HELO object, and others that take for granted that
decisions are indeed being made. What are the prevailing attitudes
towards this? Can this check be disabled in JunkMail? Or is it better to
change what my server says as a HELO? If so, does anybody know how to
change that in sendmail or postfix? Because I can't find it in any
documentation

Thanks in advance!

Alaina Hardie
Toronto, ON

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[Declude.JunkMail] Some messages not being held / warned

2002-11-19 Thread Diarmaid Mac Aonghusa
Hi

I have just setup our system and although it catches some messages others
get through even though the headers indicate that Declude has scanned them.
The headers from the mail below indicate that the mail has failed a lot of
the tests including WEIGHT10 (which should append a warning to the subject
line) and WEIGHT20 which should HOLD the mail.

Anybody know why some mails get through while others that fail the same
tests don't?

Thanks

Diarmaid


Received: from mrhw [200.204.195.163] by rhubarb.fusio.net
  (SMTPD32-7.07) id A46C3480120; Tue, 19 Nov 2002 11:45:48 +
From: Felicitas Acklin [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Money for jmy
Date: Tue, 19 Nov 2002 03:44:58 -0800
Mime-Version: 1.0
Content-Type: text/html
Content-Transfer-Encoding: base64
Message-Id: [EMAIL PROTECTED]
X-Declude-Sender: [EMAIL PROTECTED] [200.204.195.163]
X-Note: This E-mail was scanned by Fusio for spam.
X-Spam-Tests-Failed: DSBL, OSPROXY, SPAMCOP, BASE64, HELOBOGUS, REVDNS,
WEIGHT10, WEIGHT20
X-RCPT-TO: [EMAIL PROTECTED]
Status: U
X-UIDL: 316231510


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[Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread Scott MacLean

The sneaky buggers are at it again. I've been getting more
and more emails that don't fail any tests at all, but should be caught as
spam due to multiple wordfilter hits. I had a look at the message (HTML)
source, and found this:
Hum!--nnbvmx--an Gr!--d--owth Hor!--fjkg--mone
Th!--sdkf--erapy
Scott, is it possible that the wordfilter, when looking at HTML source
messages, can be made to disregard HTML comments, as above?


___
Scott MacLean
[EMAIL PROTECTED]
ICQ: 9184011
http://www.nerosoft.com



RE: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread Kami Razvan
Title: Message



We have seen quite 
a lot. It is happening more and more. If HTML comments could be 
ignored it would be a great addition. I wonder what would be the downfall 
of the idea?

I also think 
another filter that can be considered is the routing type filter. I don't 
know if bad routing can see this.. but we are noticing a lot of emails going in 
circle.. for example:

US  Japan  
Hungry  Destination (US in this case).

I guess one way to 
combat this is if the Country filter is additive. For example the weight 
of each country detected is added to the total weight. Does the filter do 
this?

Regards,
Kami



-Original Message-From: 
[EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] 
On Behalf Of Scott MacLeanSent: Tuesday, November 19, 2002 
7:52 AMTo: [EMAIL PROTECTED]Subject: 
[Declude.JunkMail] Wordfilter bypassedThe 
sneaky buggers are at it again. I've been getting more and more emails that 
don't fail any tests at all, but should be caught as spam due to multiple 
wordfilter hits. I had a look at the message (HTML) source, and found 
this:Hum!--nnbvmx--an Gr!--d--owth 
Hor!--fjkg--mone Th!--sdkf--erapyScott, is it possible 
that the wordfilter, when looking at HTML source messages, can be made to 
disregard HTML comments, as above?___Scott MacLean[EMAIL PROTECTED]ICQ: 9184011http://www.nerosoft.com


Re: [Declude.JunkMail] Helobogus error..

2002-11-19 Thread R. Scott Perry


I was wondering if someone can has experienced a error in helobogus.  For
some weird reason, I consistantly get a error with helobogus like
hotmail.com with the msg failed.  For some reason cs.com does not resolve
either.

11/19/2002 00:05:07 Q0cd19bfb002cf91d Msg failed HELOBOGUS (Domain
[EMAIL PROTECTED] by has no MX/A records.).


That isn't cs.com -- that is [EMAIL PROTECTED].  [EMAIL PROTECTED] isn't 
a hostname, so the HELOBOGUS test fails.

Do you have the Received: headers for some of these E-mails, to make sure 
that Declude JunkMail is detecting the correct hostname?
-Scott

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Re: [Declude.JunkMail] HELO issues

2002-11-19 Thread R. Scott Perry


My UNIX systems (two different machines using two different MTAs:
sendmail and postfix) send a HELO using localhost. From what I can tell,
this is common practice because administrators want to hide security
details from other mail servers. However, JunkMail marks this as a
problem.


If it is a common practice, it's probably because the mailserver 
administrators never changed the default setting.  :)

If you need to hide the name of your mailserver when sending mail, you 
should only be sending mail to protected networks.  When you send the 
E-mail, the remote mailserver will know your domain (unless you are sending 
bounce messages), and from that, they can look up the name of your mailserver.

In any case, it is a violation of the RFCs, and Declude JunkMail processed 
it properly.  Whether or not you wish to use the test (or feel it is 
appropriate for spam control) is a different story.

I am trying to relay auto-generated email from a PostNuke environment to
a server that is using JunkMail. It never works, and the main problem
seems to be the way that the PostNuke machine's MTA (postfix, in this
case) is doing a HELO localhost. Lots of UNIX MTAs do this by default.


There we go -- by default.  Lots of MTAs are open relays by default, 
too.  And there are probably some mail clients that have something like 
[EMAIL PROTECTED] as the default return address -- but that doesn't mean 
you can use that address.  :)

Note that the only way that your mail will not go through is if the server 
running Declude JunkMail uses the HELOBOGUS test, and blocks mail based on 
it.  We certainly do not recommend that configuration.  While the test does 
a pretty good job at detecting servers that were poorly designed (and 
therefore likely targets of spammers), it will generate a fair number of 
false positives (although localhost is one I hadn't seen before).

I have seen some discussions that say that no decisions should be made
on the content of a HELO object, and others that take for granted that
decisions are indeed being made. What are the prevailing attitudes
towards this?


I believe the RFCs say that you can check the validity of the HELO data, 
but that you can't block mail based on it.  Those are the same RFCs that 
say that you have to have a valid hostname there, so it's easy to say If 
they break the rules, I can too, which is where the opposite opinion comes 
from.

In our case, we recommend using the HELO data as one of several pieces of 
information in determining whether or not an E-mail should be blocked, but 
not blocking solely on that factor.

Can this check be disabled in JunkMail?


Yes, very easily.  However, note that the default is to add a standard 
X-RBL-Warning: header, so whoever is blocking your mail has either chosen 
for some reason (perhaps not knowing the ramifications) to block mail based 
on the HELO data, or your mail is also failing other tests.

Or is it better to change what my server says as a HELO? If so, does 
anybody know how to
change that in sendmail or postfix? Because I can't find it in any
documentation

That is definitely the best thing to do.  And, that also answers why it 
seems like it is what everyone else does -- because it isn't easy to 
fix.  :)  Unfortunately, I don't know how to fix it.
-Scott

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Re: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread R. Scott Perry


The sneaky buggers are at it again. I've been getting more and more emails 
that don't fail any tests at all, but should be caught as spam due to 
multiple wordfilter hits. I had a look at the message (HTML) source, and 
found this:

Hum!--nnbvmx--an Gr!--d--owth Hor!--fjkg--mone Th!--sdkf--erapy

Scott, is it possible that the wordfilter, when looking at HTML source 
messages, can be made to disregard HTML comments, as above?

That likely isn't something that we will be doing, as it will add a lot of 
extra CPU time (or require writing our own specially designed string 
matching functions).  However, we are thinking of adding a test that will 
get triggered if a certain number of comments are found in an 
E-mail.  Although this would catch the occasionally bandwidth-wasting 
legitimate bulk mailers (that have real comments), it would also be very 
useful in detecting spam.
 -Scott

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RE: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread R. Scott Perry


I guess one way to combat this is if the Country filter is additive.  For 
example the weight of each country detected is added to the total 
weight.  Does the filter do this?

Yes, it does.  :)
   -Scott

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Re: [Declude.JunkMail] Some messages not being held / warned

2002-11-19 Thread R. Scott Perry


I have just setup our system and although it catches some messages others
get through even though the headers indicate that Declude has scanned them.
The headers from the mail below indicate that the mail has failed a lot of
the tests including WEIGHT10 (which should append a warning to the subject
line) and WEIGHT20 which should HOLD the mail.

Anybody know why some mails get through while others that fail the same
tests don't?


Do you have any per-user or per-domain settings?  That is the most likely 
problem (IE you have WEIGHT10/WEIGHT20 set to IGNORE in the file that 
Declude JunkMail is using).

   -Scott
---
Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for 
IMail.  http://www.declude.com

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RE: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread Markus Gufler
Title: Nachricht



If you 
can wait for some weeks we can provide an external test-program that make some 
content-based tests.

At the 
moment we have ready the first tests wich tries to identify things like 
HTML-only mails, subject with spaces (yes, the same as Decludes 
spamheaders-test) and code-numbersin subject-lines and 
email-adresses.

The 
next test's we plan to realize are links to ip-adresses, image-links and links 
to cgi-scripts. There will also be a word-filter test that tries to remove any 
!-- -- comments and other obscuring strings.

The external test can be configured with an inifile an 
returns his results as a cumulative weight to 
declude.

On our server it works for the last 9 days without any 
problem. During stress-tests on our server we do not notice appreciable more 
cpu-usage (with the current working tests)
This external test will be free for 
all.

In the next days I will provide a test-version in the 
list.

Markus






RE: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread Madscientist
We attempted implementing a test that counts the number of html comments
and found that it was impractical as it consistently captured a large
number of legitimate services. (Scott, you indicated that it might catch
some - our experience has been that it captures so many we had to drop
it.) I suspect that most systems will need to weight such a test very
lightly. Hope this helps.

_M

| -Original Message-
| From: [EMAIL PROTECTED] 
| [mailto:[EMAIL PROTECTED]] On Behalf Of R. 
| Scott Perry
| Sent: Tuesday, November 19, 2002 8:23 AM
| To: [EMAIL PROTECTED]
| Subject: Re: [Declude.JunkMail] Wordfilter bypassed
| 
| 
| 
| The sneaky buggers are at it again. I've been getting more and more 
| emails
| that don't fail any tests at all, but should be caught as 
| spam due to 
| multiple wordfilter hits. I had a look at the message (HTML) 
| source, and 
| found this:
| 
| Hum!--nnbvmx--an Gr!--d--owth Hor!--fjkg--mone 
| Th!--sdkf--erapy
| 
| Scott, is it possible that the wordfilter, when looking at 
| HTML source
| messages, can be made to disregard HTML comments, as above?
| 
| That likely isn't something that we will be doing, as it will 
| add a lot of 
| extra CPU time (or require writing our own specially designed string 
| matching functions).  However, we are thinking of adding a 
| test that will 
| get triggered if a certain number of comments are found in an 
| E-mail.  Although this would catch the occasionally bandwidth-wasting 
| legitimate bulk mailers (that have real comments), it would 
| also be very 
| useful in detecting spam.
|   -Scott
| 
| ---
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RE: [Declude.JunkMail] Some messages not being held / warned

2002-11-19 Thread Diarmaid Mac Aonghusa

Do you have any per-user or per-domain settings?  That is the most likely
problem (IE you have WEIGHT10/WEIGHT20 set to IGNORE in the file that
Declude JunkMail is using).

There is a per domain setting but it is for the domain that the spam was
addressed to and other spams to that domain to get tagged / held

Received: from mrhw [200.204.195.163] by rhubarb.fusio.net
  (SMTPD32-7.07) id A46C3480120; Tue, 19 Nov 2002 11:45:48 +
From: Felicitas Acklin [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Money for jmy
Date: Tue, 19 Nov 2002 03:44:58 -0800
Mime-Version: 1.0
Content-Type: text/html
Content-Transfer-Encoding: base64
Message-Id: [EMAIL PROTECTED]
X-Declude-Sender: [EMAIL PROTECTED] [200.204.195.163]
X-Note: This E-mail was scanned by Fusio for spam.
X-Spam-Tests-Failed: DSBL, OSPROXY, SPAMCOP, BASE64, HELOBOGUS, REVDNS,
WEIGHT10, WEIGHT20
X-RCPT-TO: [EMAIL PROTECTED]
Status: U
X-UIDL: 316231510


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RE: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread R. Scott Perry


We attempted implementing a test that counts the number of html comments
and found that it was impractical as it consistently captured a large
number of legitimate services. (Scott, you indicated that it might catch
some - our experience has been that it captures so many we had to drop
it.) I suspect that most systems will need to weight such a test very
lightly. Hope this helps.


However, that's the way spam control is heading.  As more and more people 
get fed up with spam, more and more of the bozos that are doing things the 
wrong way will need to fix their problems.

I can understand an HTML E-mail having one or two comments in it, but 10 or 
20 is just a waste of bandwidth.  That is information the recipient will 
never see.

   -Scott
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Re: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread Smart Business Lists
R.,

Tuesday, November 19, 2002 you wrote:
RSP I can understand an HTML E-mail having one or two comments in it,
RSP but 10 or 20 is just a waste of bandwidth. That is information
RSP the recipient will never see.

 Lots of the content management systems are heavily commented so I
 see a lot of comments in html messages to subscribers.
 
 However, they are not commented between words but that's a
 difficult parse I think.
 

Terry Fritts

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RE: [Declude.JunkMail] Some messages not being held / warned

2002-11-19 Thread R. Scott Perry


Do you have any per-user or per-domain settings?  That is the most likely
problem (IE you have WEIGHT10/WEIGHT20 set to IGNORE in the file that
Declude JunkMail is using).

There is a per domain setting but it is for the domain that the spam was
addressed to and other spams to that domain to get tagged / held


In that case, I would recommend using the debug mode (LOGLEVEL DEBUG) 
until it happens again, and then I can look at the debug log file to see 
why it is happening.
   -Scott

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Re: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread R. Scott Perry


 Lots of the content management systems are heavily commented so I
 see a lot of comments in html messages to subscribers.

 However, they are not commented between words but that's a
 difficult parse I think.


Aha... that could be the key!

A spammer will use something like or!-- blah --der.  If they use or 
!-- blah -- der, it will appear on the screen as or der, which will 
confuse people (Call to or der now! isn't very readable).  Whereas the 
content management systems likely have the comment on the beginning of a 
new line, or at least have a space before/after it.
 -Scott

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[Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread Marc Catuogno
I have one user who is getting absolutely hammered by spam.  Last night I
went through her mailbox and added many of the domains that she was getting
spam from to my blacklist.txt file.  The action have configured for that
test is delete.  It currently works as I can scan through the log and find
e-mails that have failed the blacklist test and do get deleted.Now I checked
her mailbox this morning and some of the domains that were listed were still
able to send her mail.  What am I doing wrong or missing? I am using Declude
1.62 beta and I have no per Domain\users settings.

Thanks - Marc

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Re: [Declude.JunkMail] BASE64 test

2002-11-19 Thread John Tolmachoff
The BASE64 test will be triggered when E-mail contains a text or HTML MIME
segment that is base64 encoded -- there is no reason for such segments to be
base64 encoded, but spammers commonly use the base64 encoding to try to
bypass filters.

Follow-up question: Is there any good or allowed reason to have BASE64
encoding in a message?

John Tolmachoff MCSE, CSSA
IT Manager, Network Engineer
RelianceSoft, Inc.
Fullerton, CA  92835
www.reliancesoft.com



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DSN:Re: [Declude.JunkMail] BASE64 test

2002-11-19 Thread Brian Milburn

Not when they are the text portions of the message. If you look at a complex
raw email message, there may be several message parts. These can be BASE64
encoded files of any type. All the message parts are essentially contained in
the message body. It is up to the client application to separate these parts
and reconstruct them into their original formats. I am seeing several hundred
spams a day where the sender sends an adult message from an innocuous email
address with a subject like Got your message. The message bodies may be
extremely explicit, so they are  BASE64 encoded so that they get by spam
filters or rules like those available in iMail. There would be no good
reason at all to encode message text except to get by these filters.

 
On 11/19/02 8:03am you wrote...
The BASE64 test will be triggered when E-mail contains a text or HTML MIME
segment that is base64 encoded -- there is no reason for such segments to be
base64 encoded, but spammers commonly use the base64 encoding to try to
bypass filters.

Follow-up question: Is there any good or allowed reason to have BASE64
encoding in a message?

John Tolmachoff MCSE, CSSA
IT Manager, Network Engineer
RelianceSoft, Inc.
Fullerton, CA  92835
www.reliancesoft.com



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[Declude.JunkMail] Unknown virus

2002-11-19 Thread Heimir Eidskrem



Customer is getting virus notifications but the 
virus is listed as unknown.

Is this a known issue and how do I turn of 
notification for unknown virus.

He is clean.

H.


Please, DO NOT respond to this e-mail. This is an automated e-mail 
messagesent to alert you that you attempted to send a virus infected 
e-mailmessage.Fortunately, no harm is done. i360 Inc.'s advanced virus 
detection softwaredetected the virus, and the e-mail has been quarantined to 
prevent furtherdamage. This means that your recipient received a message 
similar to thisinstead of the virus-infected e-mail. We recommend that you 
check yoursystemfor viruses before communicating further by using your 
computer.Our software reported the following about the infected 
e-mail:The e-mail was sent to: [EMAIL PROTECTED]The e-mail 
subject: Are the instructions andE-mail contained this virus: Unknown 
VirusThe virus was located in this file: Unknown FileIf the 
recipient's address does not appear above,it is because of the nature of 
certain viruses,which corrupt such information.To find out more 
about the virus you e-mailed, click to www.sarc.com.To view virus related 
statistics, click towww.securitystats.com/virusstats.asp.


Re: [Declude.JunkMail] BASE64 test

2002-11-19 Thread R. Scott Perry


The BASE64 test will be triggered when E-mail contains a text or HTML MIME
segment that is base64 encoded -- there is no reason for such segments to be
base64 encoded...

Follow-up question: Is there any good or allowed reason to have BASE64
encoding in a message?


It is *very* common to use base64 encoding in E-mail.  That's the standard 
way that file attachments are sent.

The key here is that there is no reason to send text/HTML segments using 
base64, which is what the BASE64 test looks for.
   -Scott

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Re: [Declude.JunkMail] Unknown virus

2002-11-19 Thread R. Scott Perry


Customer is getting virus notifications but the virus is listed as unknown.


Hmm... that doesn't sound like a Declude JunkMail issue.  :)


Is this a known issue and how do I turn of notification for unknown virus.


Unknown Virus appears when the virus scanner can't report to Declude 
Virus what the name of the virus is.  If this happens to all E-mail, either 
your virus scanner doesn't support reporting the virus names properly, or 
you don't have your AV program set correctly.

If it happens only on some E-mail, the virus scanner doesn't know the name 
of the virus -- in which case, most like it has detected a suspicious 
file.  If you use F-Prot, you can remove the VIRUSCODE 8 line to prevent 
it from detecting such files.
   -Scott

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RE: [Declude.JunkMail] Unknown virus

2002-11-19 Thread Patrick Childers
Customer is getting virus notifications but the virus is listed as unknown.
Is this a known issue and how do I turn of notification for unknown virus.
He is clean.

H.

This question really belongs on the declude.virus list. :-)

From the Declude Virus Manual:

Declude Virus (v1.53 and higher) can be set up not to send out E-mail
notifications for specific viruses. This is useful for viruses that forge
the return address (in which case a You have a virus notification would
get sent to someone without a virus). To prevent a notification from getting
sent out, you can add a line SKIPIFVIRUSNAMEHAS Virusname to the beginning
(before the first blank line) of any of the \IMail\Declude\*.eml files
(typically just the sender.eml and otherpostmaster.eml files). Virusname
should be replaced with a string that always appears in the name of the
virus and any variants; for example SKIPIFVIRUSNAMEHAS Klez. Note that
there can only be one space (or tab) between SKIPIFVIRUSNAMEHAS and the
virus name. To prevent the notifications from being sent for multiple
viruses, you need to have a SKIPIFVIRUSNAMEHAS line for each virus.

If you are referring to vunerabilities see the link below and follow the
thread.
http://www.mail-archive.com/declude.virus@declude.com/msg04005.html


-Patrick



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RE: [Declude.JunkMail] Unknown virus

2002-11-19 Thread John Tolmachoff
Can you post a virus log snippet?

It is possible an error was returned by the virus scanner. The logs will
show this.

John Tolmachoff MCSE, CSSA
IT Manager, Network Engineer
RelianceSoft, Inc.
Fullerton, CA  92835
www.reliancesoft.com

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Heimir Eidskrem
Sent: Tuesday, November 19, 2002 9:21 AM
To: [EMAIL PROTECTED]
Subject: [Declude.JunkMail] Unknown virus

Customer is getting virus notifications but the virus is listed as unknown.
 
Is this a known issue and how do I turn of notification for unknown virus.
 
He is clean.
 
H.
 
 
Please, DO NOT respond to this e-mail. This is an automated e-mail message
sent to alert you that you attempted to send a virus infected e-mail
message.
Fortunately, no harm is done. i360 Inc.'s advanced virus detection software
detected the virus, and the e-mail has been quarantined to prevent further
damage. This means that your recipient received a message similar to this
instead of the virus-infected e-mail. We recommend that you check your
system
for viruses before communicating further by using your computer.

Our software reported the following about the infected e-mail:

The e-mail was sent to: [EMAIL PROTECTED]
The e-mail subject: Are the instructions and
E-mail contained this virus: Unknown Virus
The virus was located in this file: Unknown File

If the recipient's address does not appear above,
it is because of the nature of certain viruses,
which corrupt such information.

To find out more about the virus you e-mailed, click to www.sarc.com.
To view virus related statistics, click to
www.securitystats.com/virusstats.asp.

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RE: [Declude.JunkMail] BASE64 test

2002-11-19 Thread Kami Razvan
Scott:

We have seen that the Base64 test is also triggered for International
languages.  We used to have a high weight assigned to it but we noticed
when people write each other using Unicode or foreign (non-English)
characters the test is triggered.

Is this known?

Regards,
Kami

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of R. Scott Perry
Sent: Tuesday, November 19, 2002 12:38 PM
To: [EMAIL PROTECTED]
Subject: Re: [Declude.JunkMail] BASE64 test



 The BASE64 test will be triggered when E-mail contains a text or HTML

 MIME
segment that is base64 encoded -- there is no reason for such segments 
to be base64 encoded...

Follow-up question: Is there any good or allowed reason to have BASE64 
encoding in a message?

It is *very* common to use base64 encoding in E-mail.  That's the
standard 
way that file attachments are sent.

The key here is that there is no reason to send text/HTML segments using

base64, which is what the BASE64 test looks for.
-Scott

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RE: [Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread Marc Catuogno
Scott,

After reprinting the Junkmail manual I see why am only having partial
success.  I have been using the from domains in the format
@emailoffers.com (occasionally using the format deals-central.com - to catch
10.dealscentral as well as 20.dealscentral). So I suppose since the from
and or reply to addresses are often going to be different than the
X-declude sender (which I don't see in the e-mail headers? I'd have to dig
through the I-mail logs to find this?) I'm really only blacklisting those
that happen to be the same.

I have since added most of the e-mail address that were in the blacklist
file to the SMTP KILL list in IMAIL, which says that it checks the from
address. Lets see if that helps.

Marc

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of R. Scott Perry
Sent: Tuesday, November 19, 2002 12:39 PM
To: [EMAIL PROTECTED]
Subject: Re: [Declude.JunkMail] Blacklist not working as expected



I have one user who is getting absolutely hammered by spam.  Last night I
went through her mailbox and added many of the domains that she was getting
spam from to my blacklist.txt file.

What domains did you add?  Domains from the From: address (which Declude
JunkMail doesn't check), the Reply-To: address (which Declude JunkMail
doesn't check), the HELO/EHLO text (which Declude JunkMail checks in
filters), or the return address (from the X-Declude-Sender: header or the
IMail log file) which a Declude JunkMail sender blacklist will catch?
-Scott

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[Declude.JunkMail] IP4R Tests Not Happening After Re-Install

2002-11-19 Thread David Delbridge
Hi folks,

I recently re-installed IMail  Declude after upgrading our mail server
and immediately noticed a drop in JunkMail's accuracy.  I now realize
that in nine days, NONE of the IP4R tests or RHSBL tests have logged a
single hit.  What might cause this?

The re-installation should have produced a mirror copy of the original
IMail server installation, except for two post-installation tweaks:  I
opted to upgrade Declude to the beta 1.62; and I tweaked a few rules,
namely regarding Habeas.

I have since commented out my tweaks, but with no luck.

Any ideas?

Thank you so much.

Dave
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RE: [Declude.JunkMail] IP4R Tests Not Happening After Re-Install

2002-11-19 Thread John Tolmachoff
What DNS servers do you have Imail and Declude configured to use?

John Tolmachoff MCSE, CSSA
IT Manager, Network Engineer
RelianceSoft, Inc.
Fullerton, CA  92835
www.reliancesoft.com


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of David Delbridge
Sent: Tuesday, November 19, 2002 11:30 AM
To: [EMAIL PROTECTED]
Subject: [Declude.JunkMail] IP4R Tests Not Happening After Re-Install

Hi folks,

I recently re-installed IMail  Declude after upgrading our mail server
and immediately noticed a drop in JunkMail's accuracy.  I now realize
that in nine days, NONE of the IP4R tests or RHSBL tests have logged a
single hit.  What might cause this?

The re-installation should have produced a mirror copy of the original
IMail server installation, except for two post-installation tweaks:  I
opted to upgrade Declude to the beta 1.62; and I tweaked a few rules,
namely regarding Habeas.

I have since commented out my tweaks, but with no luck.

Any ideas?

Thank you so much.

Dave
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RE: [Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread R. Scott Perry


After reprinting the Junkmail manual I see why am only having partial
success.  I have been using the from domains in the format
@emailoffers.com (occasionally using the format deals-central.com - to catch
10.dealscentral as well as 20.dealscentral). So I suppose since the from
and or reply to addresses are often going to be different than the
X-declude sender (which I don't see in the e-mail headers? I'd have to dig
through the I-mail logs to find this?) I'm really only blacklisting those
that happen to be the same.


Correct.

You can use the XSENDER ON option (in the \IMail\Declude\global.cfg file) 
to get Declude JunkMail to record the return address in the headers.

I have since added most of the e-mail address that were in the blacklist
file to the SMTP KILL list in IMAIL, which says that it checks the from
address. Lets see if that helps.


Sorry -- it, too, checks the return address (also called MAIL FROM or 
From address in the SMTP envelope).
-Scott

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Re: [Declude.JunkMail] IP4R Tests Not Happening AfterRe-Install

2002-11-19 Thread R. Scott Perry


I recently re-installed IMail  Declude after upgrading our mail server
and immediately noticed a drop in JunkMail's accuracy.  I now realize
that in nine days, NONE of the IP4R tests or RHSBL tests have logged a
single hit.  What might cause this?


That will happen if your DNS server isn't responding.

You should check the DNS servers listed in the IMail SMTP settings, and 
make sure that the first one listed is working properly.
   -Scott

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RE: [Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread Patrick Childers
 So I suppose since the from
 and or reply to addresses are often going to be different than the
 X-declude sender (which I don't see in the e-mail headers? I'd have to dig
 through the I-mail logs to find this?)

From the Declude Junkmail Manual:

If you want to record the name of the sender (according to the SMTP
Envelope) in the E-mail headers, you can use the XSENDER configuration
option. To do this, add a line to the \IMail\Declude\global.cfg file that
says XSENDER ON.

-Patrick

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RE: [Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread Marc Catuogno
Patrick,

Thanks.  I found where that was #XSENDER OFF, took out the pound sign and
changed it to ON.  Now if I can get the people who get spam to copy and
forward me the header info...

Marc

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Patrick Childers
Sent: Tuesday, November 19, 2002 02:44 PM
To: [EMAIL PROTECTED]
Subject: RE: [Declude.JunkMail] Blacklist not working as expected


 So I suppose since the from
 and or reply to addresses are often going to be different than the
 X-declude sender (which I don't see in the e-mail headers? I'd have to dig
 through the I-mail logs to find this?)

From the Declude Junkmail Manual:

If you want to record the name of the sender (according to the SMTP
Envelope) in the E-mail headers, you can use the XSENDER configuration
option. To do this, add a line to the \IMail\Declude\global.cfg file that
says XSENDER ON.

-Patrick

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RE: [Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread Marc Catuogno
flailing a deceased equine...

Crap. Running through the Imail log analyzer I found some of the host names
I was looking for preceded by mail1 or some other name.  I added these to
the kill list in the hopes that this is actually the MAIL FROM in the SMTP
envelope that is being reported.  I also found a few of the spammers, like
Top-brands.com, mailservers were named something.bluerockdove.com so I put
bluerockdove.com in the blacklist.  I also found that they were coming
from an several IPs 205.205.236.245(228,243) so I created a bannedip.txt
file added 205.205.236.0/24, created a bannedip test in the declude files
and then set the action to delete to hopefully block anything from them in
the future.  Another prolific spammer was mb00.net also using several other
names in the mailfrom.  They seemed to be originating from 216.39.115.66
(81,68,55) so I also added 216.39.115.0/24 to bannedip.txt.  Would this work
just as well, better or faster if I put these IPs in the SMTP control access
list?  Though I didn't see an easy way to block an entire class C.

Thanks for all the help and quick Reponses.

Marc

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of R. Scott Perry
Sent: Tuesday, November 19, 2002 02:41 PM
To: [EMAIL PROTECTED]
Subject: RE: [Declude.JunkMail] Blacklist not working as expected



After reprinting the Junkmail manual I see why am only having partial
success.  I have been using the from domains in the format
@emailoffers.com (occasionally using the format deals-central.com - to
catch
10.dealscentral as well as 20.dealscentral). So I suppose since the from
and or reply to addresses are often going to be different than the
X-declude sender (which I don't see in the e-mail headers? I'd have to dig
through the I-mail logs to find this?) I'm really only blacklisting those
that happen to be the same.

Correct.

You can use the XSENDER ON option (in the \IMail\Declude\global.cfg file)
to get Declude JunkMail to record the return address in the headers.

I have since added most of the e-mail address that were in the blacklist
file to the SMTP KILL list in IMAIL, which says that it checks the from
address. Lets see if that helps.

Sorry -- it, too, checks the return address (also called MAIL FROM or
From address in the SMTP envelope).
 -Scott

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RE: [Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread R. Scott Perry


They seemed to be originating from 216.39.115.66
(81,68,55) so I also added 216.39.115.0/24 to bannedip.txt.  Would this work
just as well, better or faster if I put these IPs in the SMTP control access
list?  Though I didn't see an easy way to block an entire class C.


The 216.39.115.0/24 is the best way to handle the IP ranges (which in the 
case of a /24 is a class C range).  It's slightly faster than multiple 
entries, and a lot easier to read.
   -Scott

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Re: [Declude.JunkMail] IP4R Tests Not Happening AfterRe-Install

2002-11-19 Thread David Delbridge
Thank you for the replies,

The DNS servers appear to be working fine.  NSLOOKUP from a DOS prompt
on the mail server to either of the DNS servers specified in IMail's
SMTP service settings answers all of my queries, authoritative and
recursive.  Is there another test I might perform?

Speaking of DNS, during re-install, the server was on a different
network, obtaining temporary IPs  DNS servers from DHCP.  Once put into
production, the server IP was changed and IMail's DNS servers were
updated manually, as you mention.  Digging for stale DNS info, I did
find an IMail registry entry for virtual server 192.168.0.5 -- the
temporary DHCP-supplied IP.  No reference to this value could be found
in IMail admin, so I deleted it.  No change.

[One of our mail servers fails BLARS, so I do have a convenient way to
check if IP4R tests are working again.]

Any thoughts?

Dave

R. Scott Perry wrote:
 
 I recently re-installed IMail  Declude after upgrading our mail server
 and immediately noticed a drop in JunkMail's accuracy.  I now realize
 that in nine days, NONE of the IP4R tests or RHSBL tests have logged a
 single hit.  What might cause this?
 
 That will happen if your DNS server isn't responding.
 
 You should check the DNS servers listed in the IMail SMTP settings, and
 make sure that the first one listed is working properly.
 -Scott
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RE: [Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread Marc Catuogno
What am I doing wrong here?

This is the E-mail header:

Message-Id: [EMAIL PROTECTED]
X-RBL-Warning: OSSOFT: http://spamhaus.org/SBL/sbl.lasso?query=SBL5031
X-RBL-Warning: SPAMCOP: Blocked - see
http://spamcop.net/bl.shtml?64.49.243.105
X-RBL-Warning: SPAMHEADERS: This E-mail has headers consistent with spam
[420e].
X-Declude-Sender: [EMAIL PROTECTED]
[64.49.243.105]
X-Note: This E-mail was scanned by Declude JunkMail (www.declude.com) for
spam.

This is one entry in a file bannedips.txt located on the root of the D:
drive

64.49.243.0/24

This is from my Global.cfg

IPBLACKLIST fromfile D:\bannedips.txt   x   5   0


This is from my $default$.junkmail

IPBLACKLIST DELETE


Shouldn't 64.49.243.0/24 get anything in this range, such as 64.49.243.105?
Should I make the text file less than 8 characters long?  If there is no
HOLD reason after the IP does it fail?
I only have 4 domains whitelisted so that shouldn't be an issue.

Thanks - Marc




-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of R. Scott Perry
Sent: Tuesday, November 19, 2002 04:25 PM
To: [EMAIL PROTECTED]
Subject: RE: [Declude.JunkMail] Blacklist not working as expected



They seemed to be originating from 216.39.115.66
(81,68,55) so I also added 216.39.115.0/24 to bannedip.txt.  Would this
work
just as well, better or faster if I put these IPs in the SMTP control
access
list?  Though I didn't see an easy way to block an entire class C.

The 216.39.115.0/24 is the best way to handle the IP ranges (which in the
case of a /24 is a class C range).  It's slightly faster than multiple
entries, and a lot easier to read.
-Scott

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RE: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread Madscientist
| 
| However, that's the way spam control is heading.  As more and 
| more people 
| get fed up with spam, more and more of the bozos that are 
| doing things the 
| wrong way will need to fix their problems.
| 
| I can understand an HTML E-mail having one or two comments in 
| it, but 10 or 
| 20 is just a waste of bandwidth.  That is information the 
| recipient will 
| never see.
| 
| -Scott

Where we got into trouble was with big corporate iron... (IBM, Sun,
Microsoft, etc...) The comments in those messages were part of the code
base generating the messages and I can imagine (as a web developer also)
that they are pretty vital to the developers in their ongoing
maintenance efforts. It's not uncommon to see quite a few of them. As we
increased the threshold to accommodate the legitimate messages we were
capturing we soon reached a level where legitimate and non-legitimate
were practically indistinguishable. All I'm saying here is that since
HTML email is here to stay, and HTML comments are legitimate and
sometimes required for coding standards, a simple count of HTML comments
will not be a valid spam test in most cases. This has been our
experience - your mileage may/will vary.

_M

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RE: [Declude.JunkMail] Wordfilter bypassed

2002-11-19 Thread Madscientist
That's a good point. Perhaps we'll do some testing in the new version
for comments bounded by nonwhitespace.

_M

| -Original Message-
| From: [EMAIL PROTECTED] 
| [mailto:[EMAIL PROTECTED]] On Behalf Of R. 
| Scott Perry
| Sent: Tuesday, November 19, 2002 10:21 AM
| To: [EMAIL PROTECTED]
| Subject: Re: [Declude.JunkMail] Wordfilter bypassed
| 
| 
| 
|   Lots of the content management systems are heavily 
| commented so I
|   see a lot of comments in html messages to subscribers.
| 
|   However, they are not commented between words but that's a
|   difficult parse I think.
| 
| Aha... that could be the key!
| 
| A spammer will use something like or!-- blah --der.  If 
| they use or 
| !-- blah -- der, it will appear on the screen as or der, 
| which will 
| confuse people (Call to or der now! isn't very readable).  
| Whereas the 
| content management systems likely have the comment on the 
| beginning of a 
| new line, or at least have a space before/after it.
|   -Scott
| 
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RE: [Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread John Tolmachoff
IPBLACKLISTfromfile D:\bannedips.txt   x   5   0

I think it needs to be ipfile instead of fromfile.

IPBLACKLIST ipfile  D:\bannedips.txtx   5   0

John Tolmachoff MCSE, CSSA
IT Manager, Network Engineer
RelianceSoft, Inc.
Fullerton, CA  92835
www.reliancesoft.com


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RE: [Declude.JunkMail] Blacklist not working as expected

2002-11-19 Thread Marc Catuogno
Changed it to ipfile - lets see if that does it.  I knew I was missing
something

Thanks - Marc

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of John Tolmachoff
Sent: Tuesday, November 19, 2002 9:11 PM
To: [EMAIL PROTECTED]
Subject: RE: [Declude.JunkMail] Blacklist not working as expected

IPBLACKLISTfromfile D:\bannedips.txt   x   5
0

I think it needs to be ipfile instead of fromfile.

IPBLACKLIST ipfile  D:\bannedips.txtx   5   0

John Tolmachoff MCSE, CSSA
IT Manager, Network Engineer
RelianceSoft, Inc.
Fullerton, CA  92835
www.reliancesoft.com


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