Re: [ilugd] anyone has spammers list???

2003-08-15 Thread mary

i need a list of well known spamming sites for my institute's new mail server. 
you might want to look at spfilter

http://spfilter.sourceforge.net/

for an archive of spam mail

http://www.spamarchive.org/

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Re: [ilugd] anyone has spammers list???

2003-08-14 Thread Akshay Guleria

 i need a list of well known spamming sites for my institute's new mail
 server. can anyone help me? the new mail server runs the courier imap
 server with qmail on RH 9.0.

 you could try to integrate relays.ordb.org into qmail. This is basically a 
list of servers on relay and locks such sites from sending emails to your 
server. they also have soe third party links to some other such databases.

Hope that helps.

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Re: [ilugd] anyone has spammers list???

2003-08-14 Thread Sohel Shaheen Mallik
Dont have the list here right now !! you can check out this months Linux
for you magazine , as far as I remember they have given an article on
the spammers .. and a reference on their list ... will keep you updated
if I get .. all the Best ... 

soumendra ray wrote:
 
 Hi guys!!!
 
 i need a list of well known spamming sites for my institute's new mail server. can 
 anyone help me? the new mail server runs the courier imap server with qmail on RH 
 9.0.
 
 waiting for your response,
 Soumendra
 
 
 Get advanced SPAM filtering on Webmail or POP Mail ... Get Lycos Mail!
 http://login.mail.lycos.com/r/referral?aid=27005
 
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Re: [ilugd] anyone has spammers list???

2003-08-14 Thread Ambar Roy
 i need a list of well known spamming sites for my institute's new mail
server. can anyone help me? the new mail server runs the courier imap server
with qmail on RH 9.0.

Check out spamassassin @ www.spamassassin.org and the Open Relay Database @
www.ordb.org. Please do note that neither of these methods will give you
100% spam prevention. You will get a few false positives (i.e. correct mail
tagged as spam) and a lots of false negetives with spamassassin. And you
will have a few people not being able to send mail to your users regularly.
The ordb database seems to be decent, but my experience has been that it is
mostly legitimate mail that is stopped by ordb RBL. You can set up
spamassasin so that any mails tagged as spam has the subject line rewritten
or the message sent to a seperate spam box.

I administer a few commercial servers providing web space and email
facility. My experience with spam has been that it is best to ask users to
set up and maintain a spam software. You can install spamassassin on the
server and provide users an option to do the filtering on the server. Using
ORDB can be a pain, as I have seen that a lot of legitimate mails get
blocked by ordb enabled relays. One recent example of this was a customer
comming to me and telling me that one of my mail relays was functioning as
an open relay. It turned out that the relay in question was of Mantra
Online. If major ISPs can get listed in an RBL, then the whole idea of the
RBL goes out of the window, as it causes major headaches for everyone. OTOH
if everyone starts using a relatively sane RBL like ORDB, then at least most
techs at ISPs would be better educated.

Ambar Roy



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Re: [ilugd] anyone has spammers list???

2003-08-14 Thread Shuvam Misra
  i need a list of well known spamming sites for my institute's new mail
  server. can anyone help me? the new mail server runs the courier imap
  server with qmail on RH 9.0.

  you could try to integrate relays.ordb.org into qmail. This is basically a
 list of servers on relay and locks such sites from sending emails to your
 server. they also have soe third party links to some other such databases.

 Hope that helps.

While ORDB, RBL, etc, are all very good ideas, isn't it also necessary to
stop spams, not just spammers? I'd suggest that you extend your strategy to
include something like SpamAssassin. This program does not need to know
which IP address the email is coming from... it looks at the email
(headers and body) and determines whether it is a spam. Our tests with
about a hundred trial messages indicated 100% correct separation of spams
from non-spam. We've now built up a collection of several hundred spams,
which we will use for another round of tests before we actually install
it on our servers.

Shuvam


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