Re: senderbase rating - how to appeal?

2008-09-05 Thread Michele Neylon :: Blacknight


On 4 Sep 2008, at 15:49, Michael Scheidell wrote:


Does anyone know how you can appeal or query a senderbase rating?


I think senderbase is automatic.. You start spamming, you get on the  
list.

You stop spamming, (eventually) you get off the list.

You must be new to the 'net', so you get one free clue:


You must be new to the net as well or maybe you think you're clever?



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Re: senderbase rating - how to appeal?

2008-09-05 Thread Michele Neylon :: Blacknight




Joseph

Thanks :)

Our main issue wasn't with the listing but with the total lack of  
appeals procedure or delisting, as several large corporates seem to  
trust Senderbase and block based on its score


Thanks again

Michele


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senderbase rating - how to appeal?

2008-09-04 Thread Michele Neylon :: Blacknight

Does anyone know how you can appeal or query a senderbase rating?


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Re: Detecting the Registrar of the sending host?

2008-07-08 Thread Michele Neylon :: Blacknight


On 7 Jul 2008, at 14:40, Richard Frovarp wrote:




Fortune 500's suffer from botnet infections as well.


Exactly



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Re: Detecting the Registrar of the sending host?

2008-07-08 Thread Michele Neylon :: Blacknight


On 2 Jul 2008, at 17:30, Yet Another Ninja wrote:



Even EUrid is happily supporting pillz spammers on .eu


Eurid is a registry NOT a registrar


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RE: Spam abuse report plugin

2008-03-27 Thread Michele Neylon :: Blacknight
As long as you whitelist MailScanner.info

I am sick to my teeth of receiving abuse reports about a domain that never 
sends email and is used to block spam

/me wanders off to rant elsewhere


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RE: Spam abuse report plugin

2008-03-27 Thread Michele Neylon :: Blacknight
Jari

A LOT of clueless mail server admins send us reports about mailscanner.info

We have a standard reply telling them to get a $clue, but I'd prefer that my 
staff's time was spent dealing with proper issues :)


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Re: Score all emails and delete some of them

2007-12-13 Thread Michele Neylon :: Blacknight

Chris wrote:

Does anyone know if there's a way to score *all* emails at the server with
scores from 0-100, then delete all emails at the server with scores of over
10 and deliver the rest with the scores in the subject title please ?

Any help much appreciated.

Chris.


MailScanner can do that (http://www.mailscanner.info)

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RE: OT: The Funny Side of Spam

2007-10-04 Thread Michele Neylon :: Blacknight
UxBoD wrote:
 Well done Michele :) That is pure class.
 

:)

Some of the comments on my blog are hilarious ... 

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OT: The Funny Side of Spam

2007-10-03 Thread Michele Neylon :: Blacknight
http://digg.com/tech_news/The_Black_Knight_and_the_Monster



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Re: URIWhois plugin

2007-09-26 Thread Michele Neylon :: Blacknight

Jeff Chan wrote:




In principle, this is a good concept; using domain whois data to spot bad
domains can be useful.

In practice, it's a really, really, really bad idea since the public whois
infrastructure is not designed for this kind of high volume use.  If many
people did it, it would result in an effective DDOS against whois service, even
with caching and delays.  Please don't do it.

It's much better to let URI blacklist operators such as SURBL handle these
domains in a centralized way and publish the domain data via our four dozen DNS
servers, etc.

Jeff C.


The other thing is that a LOT of registrars and registries rate limit 
whois lookups, so it won't work after you've done X lookups in a 24 hour 
period 



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Re: R: R: URIWhois-0.02

2007-09-26 Thread Michele Neylon :: Blacknight

Giampaolo Tomassoni wrote:


This means nothing: what is a high volume? Also, you normally use the
whois command. Isn't it an automated, electronic process? They are to
say: If we like to ban you, don't scream!.

These terms comes from early internet ages, when spammers were used to
scavenge their data from whois records too. They were meant to scare
people abusing this service. Today, most domain registrars don't even public
e-mail addresses anymore...



That refers to pretty much all TLDs and ccTLDs

If  you want to go slamming registry and registrar whois servers in an 
automated fashion you will get blacklisted by them all and blocked


Registrars don't use whois to check availability anyway ...



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Re: R: R: R: URIWhois-0.02

2007-09-26 Thread Michele Neylon :: Blacknight

Giampaolo Tomassoni wrote:

-Messaggio originale-
Da: Michele Neylon :: Blacknight [mailto:[EMAIL PROTECTED]

That refers to pretty much all TLDs and ccTLDs

If  you want to go slamming registry and registrar whois servers in an
automated fashion you will get blacklisted by them all and blocked


I don't want to slam anybody. I want just to get some information there is
actually no other way to obtain.



Registrars don't use whois to check availability anyway ...


I'm not checking domain availability.


Maybe not, but you're displaying a lack of knowledge on whois data...

.es - no whois server
.pl - no whois server
.eu - no registrant data available over whois. rate limited
.ie - some data available. rate limited


I could go on ...

Unless you are processing tiny amounts of mail you will get blocked and 
even if you don't you won't be able to retrieve much useful information 
in the first place




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Re: Any mailbox-challenge plugin?

2007-07-22 Thread Michele Neylon :: Blacknight

Giampaolo Tomassoni wrote:

Hi everybody,

anyone knows of a SA plugin to score mails based on challenging the sender
e-mail?

I don't mean C/R, but instead just attempt an SMTP session in order to see
if the source mailbox is known to the sending domain's MX. If it isn't, the
plugin applies a score to the e-mail.

I know I could do something like this in my postfix, but this way I would
totally reject e-mails carrying a wrong From: header. Since some people seem
to be a bit dyslectic in writing its own e-mail address, I would prefer not
to reject unless there are some other reasons too (i.e.: the mail hits some
other SA rules).

Thanks,

Giampaolo


Giampaolo

There are a number of milters that can help with this, such as 
milter-ahead and milter-sender


Regards

Michele

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Re: OT: Motivating good behavior from negligent ISP's

2007-07-11 Thread Michele Neylon :: Blacknight

Philip Prindeville wrote:
We're seeing a lot of unwanted attempts to relay traffic through our 
site by Orange.fr, and we've reported this to their Abuse contact as 
well as their upstream provider (rain.fr):


Jul 11 11:30:37 mail mimedefang.pl[31610]: relay: bad tld orange.fr
Jul 11 11:30:37 mail mimedefang.pl[31610]: filter_relay rejected host 
194.250.131.236 (smtp-wifi.orange.fr)
Jul 11 11:30:37 mail sendmail[32044]: l6BHUb3j032044: Milter: connect: 
host=smtp-wifi.orange.fr, addr=194.250.131.236, rejecting commands



No joy.


How long ago did you report it?



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Re: OT: Motivating good behavior from negligent ISP's

2007-07-11 Thread Michele Neylon :: Blacknight

Philip Prindeville wrote:


No joy.


How long ago did you report it?



Which time?  It happens regularly, and it's been going on over a month.


Ok. That changes things, but you didn't say anything in your post about 
it going on for a month 





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Re: Botnet over aggressive?

2007-07-03 Thread Michele Neylon :: Blacknight
My take on botnet scoring, like that of any custom rule is that I can 
change the scoring to suit my requirements.


Considering the kind of users we deal with adding in the default 
scores would have caused a lot of headaches, so I actually tested it 
with scores of 0 on all to see how many hits they were getting.


This is one of the reasons why using SA is so cool - you can customise 
it to suit your needs!


Regards

Michele


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Re: RDJ AUTOBAN

2007-06-16 Thread Michele Neylon :: Blacknight

Ed Kasky wrote:

Good morning:

I currently have a cron set to run RDJ once a week but am getting 
AUTOBAN messages since the DOS on rulesemporium.  Anyone know how I can 
fix this?


[5633] warn: config: failed to parse line, skipping, in 
/etc/mail/spamassassin/70_sare_evilnum1.cf: AUTOBAN: Over 500 *.cf 
requests in 48 hours period - Check your CRON


Thanks in advance!

Ed



It sounds like your script / cron is retrying instead of failing gracefully.

We're using the FSL.com RDJ update script on all our servers and I 
haven't seen ANY errors like this, as it only makes one attempt every 24 
hours.


Michele

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Re: How Do I Enable RBLs

2007-06-14 Thread Michele Neylon :: Blacknight

John Rudd wrote:

LuKreme wrote:

On 10-Jun-2007, at 16:54, Peter Pluta wrote:

  reject_rbl_client zen.spamhaus.org
  reject_rbl_client list.dsbl.org,
  reject_rbl_client bl.spamcop.net,
  reject_rbl_client sbl-xbl.spamhaus.org


Er, no.  zen OR sbl-xbl.  I've found spamcop to hit far too much ham 
for my tastes, and I never found that dsbl was hitting anything (or at 
least nothing that sbl-xbl (now zen) didn't already catch).




I do zen and dsbl, and dsbl catches about 1 for every 20 that zen does. 
 I do both _just_in_case_ there isn't perfect overlap.



I agree entirely about spamcop.  Some people use it for spam marking, 
which I am also leery about ... but it seems to me to be absolutely 
insane to use spamcop for an actual block list.


It's fine for scoring against, but blocking is insanity!

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Re: How Do I Enable RBLs

2007-06-14 Thread Michele Neylon :: Blacknight

Martin Strand wrote:


It's fine for scoring against, but blocking is insanity!



I tested SpamCop for our info@ address at work (about 200 messages a 
day) and didn't get a single FP for six months.
I use it for blocking on our mailserver now (about 2000 accounts) and 
haven't received any complaints so far. :)


This guy's stats seem to confirm my observations:
http://stats.dnsbl.com/



Considering that SpamCop has listed Gmail and a LOT of major ISPs over 
the last 18 months I'd find the lack of FPs to be a matter of luck


Scoring with it is one thing, but if you are handling mail for several 
thousand users over several thousand domains, then blocking based on it 
will cause you severe headaches.


Please bear in mind that I'm looking at this from an ISP perspective not 
as an individual user


Regards

Michele


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Re: How To Kill Spam Dead?

2007-05-31 Thread Michele Neylon :: Blacknight

Dennis Kavadas wrote:
most, if not all spam have spoofed addresses headers that do not resolve 
to a valid account on any host


Tell that to the thousands of our clients who have to deal with the 
bouncebacks and other junk



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Re: How To Kill Spam Dead?

2007-05-29 Thread Michele Neylon :: Blacknight

Eric Lemings wrote:
 
How do I use SpamAssassin (along with any other necessary mail software) 
to kill spam dead?  I mean so that it doesn't even reach my mail spool 
directory.
 
I've looked in FAQ after FAQ, site after site, book after book, and the 
closest thing to an answer that I've found is the chapter in O'Reilly's 
SpamAssassin book where it says you can use the SpamAssassin score to 
allow MIMEDefang (or other Milter) to bounce spam during the SMTP 
transaction but doesn't specify how.
 
Any pointers, links, or info greatly appreciated.  BTW I use Sendmail as 
my MTA.
 
Thanks,

Eric.
 



You could use procmail rules I guess, though a simpler method would be 
to use something like MailScanner (http://www.mailscanner.info)




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Re: Auto Reporting of Spam to Freemail Vendors

2007-04-30 Thread Michele Neylon :: Blacknight
The problem with automated reporting is that we get loads of spurious 
abuse reports from idiots who report mails with a link to 
mailscanner.info in the footer (ie. the default install)


So, unless you build some kind of sanity into it you just annoy people 
like us




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RE: Spamassassin: Best Practices

2007-04-23 Thread Michele Neylon :: Blacknight
Pradeep Mishra wrote:
 Hello Friends
 
 I am a newbie on spamassassin and would like to know..
 
 1) How can we train the spamassassin using bayesian to FILTER ALL
 OUTGOING AS WELL AS INCOMING messages from my server. 
 
 2) Some really Best Practices for implementing and running
 Spamassassin. 


That's a how long is a piece of string type of question...

You'd probably be better off studying the mail list archives


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Re: Question about Spam Assassin and Google Analytics

2007-04-09 Thread Michele Neylon :: Blacknight

Dean Shaw wrote:
We recently installed Google Analytics on our site and would like to 
incorporate the tracking on our HTML-based email campaigns.  On our 
first attempt Spam Assassin flagged our email as ‘porn’.  The only 
different factor was the inclusion of GA code in the HTML of the email.  

 

Has anyone encountered this issue?  


Regardless of that issue, you do realise that putting Javascript into 
emails is _wrong_  ?


Though I guess that actually answers  your query 

You can't put Javascript into HTML emails without facing the 
consequences 





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Re: New server - which rulesets?

2007-04-01 Thread Michele Neylon :: Blacknight

Paul Hutchings wrote:

What's the current thinking on the best rulesets to use to catch the
most spam whilst generating fewest false positives?



How long is a piece of string?

Without knowing what kind of users you have and what kind of thresholds 
you've set it's an impossible question to answer




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Re: domain has been refused (why?)

2007-03-06 Thread Michele Neylon :: Blacknight

Peter wrote:
I have a client who complains that one of their own clients cannot send mail 
to them.  The sender has performed a simple SMTP transmission and receives 
the following error:


SMTP Error 4570:
Illegal response to the sender(550):
550 5.7.1 H:MXBSMTP client IPConnection refused to due abuse

I realize this is a generic MTA question but I figured some may want to 
comment since it may be a spam abuse issue.  I have gone to dnsstuff.com and 
checked the sender IP and all is well.


PM


It sounds like someone has setup a rule at the MTA level to block that 
IP or netblock.


If it's a private DNSBL it won't appear in most of your public checks



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Re: MTA for Windows

2007-02-23 Thread Michele Neylon :: Blacknight

Kenneth Porter wrote:
I'm looking for an MTA I can install in an all-Windows SOHO. Open source 
and free preferable. Ideally with hooks for SpamAssassin. (At home I 
have a Linux box with sendmail, but a friend has no Linux on his LAN.)


MailEnable (http://www.mailenable.com)

You can hook it into SA and AV

They've a variety of versions available

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Re: DKIM / DomainKeys

2007-02-11 Thread Michele Neylon :: Blacknight

Alexis Manning wrote:
I enabled the DK/DKIM plugins in my SA 3.1.7 setup and I see that the 
default scores for their tests are negligible, presumably because 
they're still a bit experimental.


Is anyone using these and can suggest appropriate scores for these 
plugins, or are these really just too unripe for serious use at the 
moment?


Cheers,

-- A.

Why don't you keep an eye on the activity for those scores and then decide?

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Re: Does exist a public database of spam content?

2007-02-09 Thread Michele Neylon :: Blacknight

How much spam do you want?

/me stares at the millions of emails in his quarantines

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Re: Where is stored information to delete from server or deliver?

2007-02-05 Thread Michele Neylon :: Blacknight

z3r0 wrote:

SA allows to delete spam from server or deliver it tagged as spam.
What is the order that makes SA do so and where is that stored.

Cpanel has a link saying:
To simply have the server DELETE and NOT deliver emails that are tagged as
spam by SpamAssassin, click here now. where here points to
http://yourdomain:2082/frontend/x/mail/addspamfilter.html

After you pressed that once, it ads also this: If you have enabled this
option and want to cancel it, click here.
where here points to http://yourdomain:2082/frontend/x/mail/blocks.html

Where is that information stored?


That sounds like a cpanel plugin / extension. It's not SA

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Re: Web user interface

2007-01-26 Thread Michele Neylon :: Blacknight

Johnson, S wrote:
Has anyone written a web interface for end users in which they could go 
through quarantined spam and release/whitelist on their own?



There is mailwatch for MailScanner

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Re: Any rules to catch EXE's?

2007-01-13 Thread Michele Neylon :: Blacknight

Matt Kettler wrote:

Robert Nicholson wrote:

At this time I'm forwarding mail that SA considers spam to my gmail
account. The following bounces with

SMTP error from remote mail server after end of data:
host gmail-smtp-in.l.google.com [64.233.185.27]:
552 5.7.0 Illegal Attachment g5si5192165wra

error

None of the rules indicate that it had any exe or zip attachment

Why would they?

SA is a spam filter, not a virus filter.

You could try MailScanner (http://www.mailscanner.info)

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Re: How to send spam ?

2007-01-10 Thread Michele Neylon :: Blacknight

Jarek wrote:

Hello!

I've a problem with specific stock offers. I tried to send sample to
the list, but it looks, that post was filtered out.
How to do it ?

Use pastebin ?

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RE: Filtering THIS list (Re: Breaking up the Bot army - we need a plan)

2006-12-13 Thread Michele Neylon :: Blacknight
Maybe they're better suited to one of the other lists such as spam-l? 


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RE: SPF is hopelessly broken and must die!

2006-12-13 Thread Michele Neylon :: Blacknight
Marc
 
While you may be entitled to your opinion some people may read this list's
archives and think that your _opinion_ were actually fact.

Your statement is obviously based on a complete misunderstanding of SPF -
what it's even got to do with the SA users list is another matter ...
 
Regards
 
Michele
 

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Re: Good source for IP addresses by country

2006-12-12 Thread Michele Neylon :: Blacknight

You could simply use Geoip scoring using this lot:
http://countries.nerd.dk/

It's pretty effective..

http://www.mneylon.com/blog/archives/2005/01/15/geo-specific-scoring/

Regards

Michele



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Re: Greylisting

2006-11-21 Thread Michele Neylon :: Blacknight

Vahric MUHTARYAN wrote:

Hello,

Do you come across with any problem from your clients for  mails are not 
arriving at right time ? Because I afraid of people mta's all of them 
are configured with different retry times .




We whitelist the main ISPs SMTPs to avoid this issue


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OT: Setting Up DNSBL using RBLDNSD

2006-06-14 Thread Michele Neylon :: Blacknight Solutions
Has anyone any tips on doing this?

I do not want to mirror existing data (I already am :) )

I want to setup my own DNSBL to catch the junk that the other DNSBLS miss.. 

The only tutorials / guides I've found either refer explicitly to Bind or
make reference to  rbldns-conf, which doesn't appear to exist on Ubuntu

Any tips, thoughts or even flames are welcome

TIA

Michele

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OT: Misuse of spamcop

2006-01-25 Thread Michele Neylon :: Blacknight Solutions
Some intelligent individual decided to report two emails that were sent to
this list  including my signature and URI to our company website.

The email was obviously not spam and reporting it as such to spamcop is
extremely irresponsible.

If you have an issue with my email signature feel free to whine at me
offlist or elsewhere, but reporting it as spam is serious BS

Michele





RE: Using SpamAssassin to fight comment spam?

2006-01-11 Thread Michele Neylon :: Blacknight Solutions
Ole Kasper Olsen mailto:[EMAIL PROTECTED] said on 11 January 2006 13:36:

 Hi,
 
 I am a developer on a fairly large community site (30-50,000 active
 users) with blogs, photo albums and forums. 
 
 I spent yesterday tinkering with a spam prevension system which runs
 each new comment to a blog post or image in a photo album through
 SpamAssassin.  
 I take the provided comment, and assemble a RFC822-compliant message
 based on the users IP address and sender and reciever's registered
 email addresses, and then run it through Mail::SpamAssassin (the Perl
 module) with default settings.   
 
 This seems to work. At least it intercepts the test-message provided
 in the SpamAssassin documentation. 
 
 This system requires me to have a utility where people can mark spam
 as ham in the case of SpamAssassin wrongly identifying a valid
 comment as spam. I was planning of having this utility teach the
 Bayesian filter on a community-wide basis, i.e. for all users.
 Therefore, people cannot mark their own messages as ham. This to
 guard against spammers teaching the filter wrongly. 
 
   - Is learning a good idea at all in this setting?
 - If so, what are the advantages and more importantly
 disadvantages of having community-wide learning? 
 - Should I use autolearning?
   - Is there anything else I should be aware of when implementing
 SpamAssassin in this setting? 
 - Settings
 - Thresholds
 - c?
 
 
 After testing this a bit on comments, I hope to expand to blog posts
 and forum posts as well, so that moderators gets a heads-up when
 people post spam.  

Ole

Have you had a look at some of the existing plugins for Wordpress? 

Michele

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RE: submit to spamcop

2005-12-06 Thread Michele Neylon :: Blacknight Solutions
Jean-Paul Natola mailto:[EMAIL PROTECTED] said on 06 December
2005 14:36:

 How does one, if possible, submit a domain/IP address to spamcop?

Spamcop lists Ips - SURBL lists URIs
You can sign up for a reporting account at spamcop.net

HTH

Michele


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Re: spamassassin --lint ....how long does it take?

2005-07-07 Thread Michele Neylon:: Blacknight
Dr Robert Young wrote:
 I am just becoming familiar with SpamAssassin, so I am sure this may
 appear to be an obvious issue to those familiar with the tool. I am
 just learning the ins and outs however.
 
 I downloaded many of the SARE rulesets (not  bigevil however), and I am
 running  spamassassin -D --lint. It seems like it is taking a very
 long time to run. Is this typical or am I hosed?  I am running it on a
 test system (non-production) so it is not currently a serious problem,
 but I want to be sure of what's up before I try anything on production
 (probably in a few days).
 

What do you mean by a very long time?
On our servers it takes a few seconds.



Re: Anyone else getting slammed with eBay PayPal Phising not getting tagged?

2005-06-28 Thread Michele Neylon:: Blacknight

Have a look at MailScanner (http://www.mailscanner.info).
It has builtin phishing checks


Re: yet another uribl evasion example

2005-06-13 Thread Michele Neylon:: Blacknight
Niek wrote:
 Eer, no. You can keep 0.49. Only if you upgrade netdns to the b0rked 0.50,
 you'll run into trouble. So either keep netdns @ 0.49 or upgrade to 0.51.
 Upgrading is not needed for sa 3.0.4 afaik.
 
 Niek Baakman
 
0.51 gives me the same problems :)



RE: SA restarting problems, Address already in use

2005-01-11 Thread Michele Neylon :: Blacknight Solutions
BCC wrote:
 Hello happy SpamAssassin users,
 
 Every night, I stop Postfix, stop SA, force-expire bayes db,
 restart SA, restart Postfix. This goes fine most of the time,
 but sometimes I run into problems.
 
 The problems arise around once a week or so : spamc cannot
 connect to spamd, saying the following in the maillog file :
 
 Dec 15 04:25:15 server spamc[18803]: connect(AF_INET) to
 spamd at 127.0.0.1 failed, retrying (#1 of 3): Connection refused
 
 When this happens, manually restarting spamd resolves the problem.
 Until next time. 
 
 As there is no apparent reason for spamd to die (or not to restart
 correctly) in the maillog file, I now start spamd without
 using '-d', in order to log stderr and stdout messages in a
 separate file. I am now using the following command to start spamd :
 
 /usr/bin/spamd -c -u spam /var/log/test_spamd.
 `/bin/date +%Y%m%d%H%M`.log 21 
 
 The problem occured again, and I catched the following from
 spamd output
 
What is the output of netstat?



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Re: RelayCountry

2005-01-08 Thread Michele Neylon::Blacknight Solutions
Bill Landry wrote:
Indeed!  Better to look at something like http://countries.nerd.dk/more.html
for adding weight based on message source country.  Here is a sample of how
to implement these in SA as RBL tests:

How accurate and up to date is that data?

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Re: Implicit trust of surbl and sbl

2005-01-07 Thread Michele Neylon::Blacknight Solutions
Scott Wertz wrote:
I think this is an easy question, but I haven't been able to find an
answer.  If I'm using spamassassin 3, invoking it via procmail as just
'spamassassin' and testing for the result, and I trust that any message
carrying a URL that's listed on surbl.org or spamhaus.org is 100% spam,
what file(s) would I edit and how?
In other words, I've never seen a false positive on either of those BLs,
but I'm seeing spam that meets those tests and is still weighted less
than 5.  I want to change that.

Couldn't you just increase the scores to 100?

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RE: DATE_IN_FUTURE_12_24

2005-01-06 Thread Michele Neylon :: Blacknight Solutions
Keith Whyte wrote:
 2.3 DATE_IN_FUTURE_12_24   Date: is 12 to 24 hours after Received:
 date 
 
 Just got a FP on this, the 2.3 for DATE_IN_FUTURE_12_24
 pushing the score over the limit.
 
 Does anybody know how common future dates are with spam? I don't seem
 to get that many. A score of 2.3 seems a bit severe just for having
 your computer clock wrong. 
 
 thanks

I would disagree. On one server here I've got 1948 hits on that since the
first of January and none of them could be possibly mistaken for FPs.



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RE: maintaining the 2.6 branch (was: [2.64] FORGED_MUA_OUTLOOKbuggy)

2005-01-06 Thread Michele Neylon :: Blacknight Solutions
Although we have upgraded on most of our systems I am not too enthused with
the idea of touching our main gateway. It works, so I don't want to break
it.

Michele

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Re: Any way to block really bad SPAMs?

2005-01-03 Thread Michele Neylon::Blacknight Solutions
Gustafson, Tim wrote:
Hello
I know that it's generally frowned upon to actually block SPAMs (as
opposed to marking them as SPAM and letting the user decide) but my
company has some instances where we get things that are blatantly,
absolutely, unequivocally SPAM (think scores in excess of 100 points
without BAYES or any white/blacklisting) and I wonder if there is a way
I can configure SpamAssassin to actually block (as in, return a 550 SMTP
error code) SPAMs that exceed some ludicrous SPAM score?  Does such an
option exist?  If not, might it be useful for the community at large?
You might consider looking at MailScanner (http://www.mailscanner.info)
HTH
Michele
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RE: OT Boincing Spam

2004-12-21 Thread Michele Neylon :: Blacknight Solutions
 If you're not already, consider using the RBL
 sbl-xbl.spamhaus.org at the MTA level.  It's quite safe and
 rejects a lot of spam before it's even seen by SpamAssassin, etc.

I'd have to disagree with you Jeff.
A lot of the Irish and UK ISP netblocks end up in there as well, so you run
a higher risk of FPs if you are not careful.




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Re: sa database transferable?

2004-12-20 Thread Michele Neylon::Blacknight Solutions
Andy Hester wrote:
I have just built a new spam filter with postfix/amavisd/spamassassin  
to replace our old sendmail/mimedefang/spamassassin  spam filter which 
was buckling under the load.  Can I copy the sa databases over to the 
new filter  to help my new filter learn?  If not, any ideas on how I can 
train my new system from the old one.  I dont have a large number of 
spam messages on the old machine and Im concerned about going live with 
my new server.  The last time I checked the old system had processed 
about 75K messages in one day for a system with approx 50 users.  I 
dont want my users to get bombarded (or my Exchange server to crash and 
burn)  while my new filter learns.
If both systems are running the same version of SA then the Bayes 
versions should be the same and copying across should not be a problem

YMMV

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RE: OT - How often to reboot?

2004-11-27 Thread Michele Neylon :: Blacknight Solutions
We only reboot:
- when we absolutely have to ie. Machine is not behaving properly or has to
be physically moved
- when there is a kernel upgrade (same as above)

If the machine is behaving and you don't need to patch/upgrade the kernel
why reboot it?


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OT: Badly formatted HTML- best practices?

2004-11-08 Thread Michele Neylon :: Blacknight Solutions
Hi all

We deal with a very wide variety of clients and suppliers that use just
about every email client possible, however one of our suppliers' help desk
sends out very spammy HTML emails.

We have whitelisted them, but I was wondering what is the best practice
here?

Should we inform them that their mails are likely to be caught be email
filters or should we let them live on in blissful ignorance?


Any input would be appreciated.


TIA

Michele

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RE: Rules List

2004-11-06 Thread Michele Neylon :: Blacknight Solutions
Get rid of bigevil immediately!! It is no longer updated and kills servers
:)

If you are still running the 2.6* series use spamcop uri to add support for
SURBL





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RE: Rules List

2004-11-06 Thread Michele Neylon::Blacknight Solutions
On Sat, 2004-11-06 at 13:57 -0600, Anton Krall wrote:
 Im using 3.0.. How do I get a hold of  SURBLs ? Im still getting a lot of
 the vicodin and medicine spam mail :(

SURBL is a plugin. Look in your init.pre


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RE: Announcing SURBL support in SA 2.63 and 3.0 plugins

2004-10-31 Thread Michele Neylon :: Blacknight Solutions
Raymond Dijkxhoorn wrote:
 Hi!
 
 Hello SpamAssassin Users,
 I'm pleased to announce a new type of RBL for blocking messages based
 on spam domains contained in message bodies called SURBL.
 Unlike other RBLs, the Spam URI RBL (SURBL) is not used to block spam
 server IP addresses, but instead to block messages based on
 
 Ouch, seems Jeff has problems with his setup. This is really old mail.
 
 Bye,
 Raymond.

I was wondering! 

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RE: Remove BigEvil :)

2004-10-29 Thread Michele Neylon :: Blacknight Solutions
Martin Hepworth wrote:
 Chris
 
 may I suggest you change BE at the top (revision section), so
 it gives notice of BE's imminent death on 1 Dec (for example).
 
 Then repeat this every week so people might actually read the
 update email from RDJ and do something about it!
 
 On 1 Dec remove all the entries and merely have the comment
 stuff at the top saying to use the surbl.org URI RBLs.
 
 Just a thought...
 
Thinking back to the problems with some of the RBLs going offline last
year and some people's latency in realising that they were gone I'd err in
favour of almost breaking the ruleset so people actually read the error
message...
That's just me though :)

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RE: Installation issues

2004-10-21 Thread Michele Neylon :: Blacknight Solutions
Kevin Morwood wrote:
 Hello,
 
 I am sure this issue has come up before.  I have seen mention of it
 but no resolution. 
 
 I am trying to build/install SA 3.0.0.  I have been using SA
 since 2.1 or something really old.  The most recent I have
 installed (running currently) is 2.63.  I have been installing these
 via RPMs. 
 
 Now, I am not able to find RPMs for 3.0.0 for RH9.  So, I
 figured it shouldn't be too hard to just build it.  Oh, how wrong can
 one be! 
 
 Not being a Perl/CPAN expert I am lost.  When I run perl
 Makefile.PL...the resulting makefile is garbage.  I write
 software for a living and it is easy to see that this
 makefile won't build anything.  But as I said I write
 software for a living and I don't have real time to debug/fix
 this.  Since I'm sure that someone has seen this before I
 would like just a nudge in the right direction.
 
 I have tried on both my production server and on a clean RH9.
  I thought maybe I had messed up the Perl environment so I
 built a new one from scratch.  The end result was exactly the
 same.  I will test whatever steps on the clean machine and
 then apply the same steps to the production server.  In the
 worst case I'll end up with a new machine for handling all of our
 email (not a bad thing). 
 
 Thanks in advance and sorry for the long post...
 
 Kevin
When you say the makefile is garbage, do you mean it simply won't work or
what?


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FORGED_MUA_OUTLOOK 2.17 in 20_ratware.cf

2004-10-20 Thread Michele Neylon :: Blacknight Solutions
Hi

I've just noticed this appearing in mails being sent through a number of our
servers:

FORGED_MUA_OUTLOOK 2.17

This is in 20_ratware.cf

I *think* an MS patch may have changed the headers produced by Outlook 2003
recently, as it's hitting all of my mails and that of a large portion of our
clients.

Can anyone suggest a temporary remedy for this?

Regards

Michele

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Re: Configuration Problem

2004-10-11 Thread Michele Neylon : Blacknight Solutions
On Mon, 2004-10-11 at 18:07 -0400, Theo Van Dinter wrote:
 On Mon, Oct 11, 2004 at 05:01:44PM -0500, J Thomas Hancock wrote:
  What is the easiest/best way to accomplish this?  Would I need to add a
  record to each username in the userpref tables something like
  required_hits_to_delete?  Once defined I could then do  something like:
 
 There is no way to do what you've written in SpamAssassin currently.
 You'd need to have something outside SpamAssassin check the score and
 do the appropriate rewriting.
 
 (in future SA versions, you could probably do this with a plugin.)
 
If you used MailScanner you could achieve this without any headaches at
all :)

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RE: Spellcheck plugin?

2004-10-08 Thread Michele Neylon :: Blacknight Solutions
Eugene Morozov wrote:
 Loren Wilton wrote:
 I'm wondering, would it be useful to have a plugin that penalizes
 messages with many spelling mistakes? This might help against all
 those creative ways of spelling out what the spammer wants to sell.
 
 
 I don't know that anyone has worked on specifically what you are
 thinking of, which is an interesting idea and worth testing, I think.
 There are things like Tripwire that look for some outright outlandish
 spellings, and lots of things that look for obfuscated specific
 words. 
 
 
 Such a plugin was written by someone about a year ago --
 check gmane archive of sa-users mailing list. It turned out
 to be not really reliable method for detecting spam.
 Eugene

Judging by the overall quality of emails that we get from clients,
prospective clients, suppliers etc., I would be very wary of penalising
anyone due to spelling - we'd all lose business!!

M

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RE: dnsbl test not working

2004-10-08 Thread Michele Neylon :: Blacknight Solutions
ADMIN_miki wrote:
 
 this machine is located inside DMZ
 any ideas why are these problems ?
 Thank you
 Miki

The obvious question I would ask is are you allowing connections outgoing ?
ie. Is your firewall open on the required ports?



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RE: New blacklist with URI

2004-10-08 Thread Michele Neylon :: Blacknight Solutions
Matt Kettler wrote:
 Theoretically, it should also match if the hostname changes, as long
 as the domain+TLD part is the same (ie: foo.blah.com)
 
 That said I've heard some mumblings the SA 3.0 implementation
 of domain stripping is a bit different than the
 Mail::SpamCopURI version, and the latter matches the SURBL
 back-end behavior more closely. However, this is really a
 subject for Jeff Chan.

The SURBL data contains domains as far as I can see from looking at our
local copies

M



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RE: SA 3.0 and Bigevil

2004-09-27 Thread Michele Neylon :: Blacknight Solutions

 Anyone using SA 3 with network tests enabled, Net::DNS 
 installed and URIDNSBL rules active (which they are by 
 default in 3.0.0) should stop using BigEvil.
 
 The static domains in BigEvil are now in the SURBL list 
 ws.surbl.org which is enabled by default in SA 3.0.0 along 
 with all other current SURBLs, so all you will really gain by 
 using BigEvil is really big memory usage.  WS will do 
 essentially the same thing as BigEvil, but much more efficiently.
 
 Stop using BigEvil if you're using SA 3 with network tests.
 
And anybody using SA 2.6* should use spamcop URI :)

Michele

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RE: 2 drug emails low scores SA2.63 0.0 SA2.64 0.1

2004-09-21 Thread Michele Neylon :: Blacknight Solutions
Obantec Support wrote:
 Hi
 
 Just had 2 emails to 2 different servers same email but very
 low scoring.
 
 The subject so far are
 Subject: Domains, Don't C1ick hereSubject: Mark, Don't C1ick here
 
 where first was to [EMAIL PROTECTED] and second was to [EMAIL PROTECTED]
 
 I do get other drug emails but the low score on these 2 worry me.
 
 Mark

Mark

Are you using SURBL?

Michele

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RE: 2 drug emails low scores SA2.63 0.0 SA2.64 0.1

2004-09-21 Thread Michele Neylon :: Blacknight Solutions
Obantec Support wrote:
  Original Message -
 From: Martin Hepworth [EMAIL PROTECTED]
 Cc: users@spamassassin.apache.org
 Sent: Tuesday, September 21, 2004 3:08 PM
 Subject: Re: 2 drug emails low scores SA2.63 0.0  SA2.64 0.1
 
 
 Mark
 
 What extra rules have you in /etc/mail/spamassin? Any from the
 rulesemporium.com, specifcally antidrug.cf ???
 
 --
 Martin Hepworth
 Snr Systems Administrator
 Solid State Logic
 Tel: +44 (0)1865 842300
 
 
 snip
 
 I thought i was but i am getting
 
 /usr/bin/rules_du_jour: line 121: [: too many arguments
 
 So no updates it seems :(
 
 Mark

Run it directly from the command line:
./rules_du_jour

If you get a too many arguments error there is something either wrong with
your path or you have made a mistake while editing the file

M

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Re: Subject line

2004-09-14 Thread Michele Neylon::Blacknight Solutions
On Tue, 2004-09-14 at 13:52 -0700, Kenneth Porter wrote:
 --On Tuesday, September 14, 2004 9:33 PM +0100 Michele Neylon::Blacknight 
 Solutions [EMAIL PROTECTED] wrote:
 
  Having a simple prefix in the subject line makes life a lot
  easier.
 
 Precisely *how* does it make life easier?
 
 Why is List-Id not sufficient?

It's only visible if you examine the header. Something in the subject
line is a lot more visual
 
  X-Mailer: Evolution 1.5.93
 
 Evo can recognize List-Id in filters.

I don't always use evolution  and even if I did I would still prefer
something in the subject line

As I already said, other lists allow people to choose.


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RE: Subject line

2004-09-14 Thread Michele Neylon::Blacknight Solutions
On Tue, 2004-09-14 at 14:14 -0700, Bret Miller wrote:

 
 I don't expect the policy will change, so I'll eventually find another
 visual way to deal with it.
And who decides the policy?

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Re: Subject line

2004-09-14 Thread Michele Neylon::Blacknight Solutions
On Tue, 2004-09-14 at 16:28 -0500, Tom Meunier wrote:
 I vote for per-user settings, and if that's not available I vote for 
 postpending it, and if that's not available I vote for Hey, I hate them 
 and deal with it, so you deal with it when they're NOT there!
Choice is always best
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Re: Subject line

2004-09-14 Thread Michele Neylon::Blacknight Solutions
On Tue, 2004-09-14 at 16:28 -0500, Tom Meunier wrote:
 I vote for per-user settings, and if that's not available I vote for 
 postpending it, and if that's not available I vote for Hey, I hate them 
 and deal with it, so you deal with it when they're NOT there!
Choice is always best
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Re: Spammer using my domain name in FROM field

2004-09-11 Thread Michele Neylon :: Blacknight Solutions

quote who=Raymond Dijkxhoorn
 Hi!

 Spammer apparently is using  [EMAIL PROTECTED] in the FROm field
 of
 the emails he is sending out. Domain is one of my customers virtual
 domain,
 spammer made up the username in the email address. Now I am getting
 burried
 by mail notifications returning to sender...obviously wrong person.

 How do you people deal with this? Is there anything I can do? Email
 addresses
 in FROM field as we all know are fake when spammers use them. But if you
 don't do it if someone misspelled an email address that is legitimate
 and
 sent it to user they won't know it didn't make it.

 Welcome to the real world, this is you wakeup call ;)

 This is happening all the time, not much you can do about this. A
 countermeasuer could be using SPF records, so people at least have a way
 to check if its you or not.
Or you could get a digital ID and sign all your outgoing mails :)

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RE: [SURBL-Discuss] Re: Applying SURBL against blog comment spammers

2004-09-02 Thread Michele Neylon :: Blacknight Solutions
Which blogger are you using?

I moved my own blog over to Wordpress a couple of months ago and I haven't
had any issues with comment spammers since.


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