At the moment we've running hourly a scheduled vb-script that filters
out any error lines of the imail logfile and send it via email to the
postmaster

For example:
======================================
FROM                                    TO
[EMAIL PROTECTED]       [EMAIL PROTECTED]
[EMAIL PROTECTED]       [EMAIL PROTECTED]
[EMAIL PROTECTED]       [EMAIL PROTECTED]
[EMAIL PROTECTED]               [EMAIL PROTECTED]
======================================

So we can see which of our customers has forgot to activate the
SMTP-Authentication (if outgoing), or which delivery attempts failed (if
incomming).


But back to the idea of blocking incomming smtp-connections of known
spammer-IP's:

Wouldn't it be great if someone writes a small tool with the following
function:
1.) gathers all Sender-IP's from the declude logfile with a certain
weight. (for example 200% of the hold value)
2.) maintains a list of this IP-Adresses and removes them after a
certain time that no new spam with the same IP was catched
3.) creates a IP-blocklist for Imail so that it can block any furter
smtp-connection attempt from this spamming IP's

Markus




> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Rifat Levis
> Sent: Monday, June 16, 2003 2:52 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [Declude.JunkMail] DSN:Tarpitting and declude 
> firewall integration integration
> 
> 
> Hi Bill ,
> 
> I wrote a small VB program .
> ----------------------------------
> Here is more details about the system.
> 
> I am using the KIWI syslog server software to send the logs 
> to the SQL You can specify in IMAIL  syslogs server ip 
> address .(IF you run KIWI on the same machine ,you have to 
> stop IMAIL syslog )
> 
> I have wrote a small Visual Basic Program which scan the SQL 
> database for " ERR .... INVALID USER " lines every 2 min.
> 
> And my little program Open a telnet connection to the 
> firewall ADD the ip address to block . Then the program 
> remove the ip address after 1 hour.
> 
> On my firewall i wrote a global policie group to deny access 
> to port 25 So the software add the ip address and specify 
> that it belong to that group lls.
> 
> I decided also to integrate DECLUDE JUNKMAIL with my 
> firewall. For weight over 20 i will block for 1 hour For 
> weight over 30 will block for 2 hour And so on.
> 
> Rifat
> 
> 
> 
> 
> 
> ----- Original Message ----- 
> From: "Bill B." <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, June 16, 2003 3:11 PM
> Subject: Re: [Declude.JunkMail] DSN:Tarpitting and declude 
> firewall integration integration
> 
> 
> Rifat,
> 
> What software are you using to do the tarpitting?  Are you 
> running it on the same server as IMail, or on a separate box?
> 
> Bill
> 
> 
> -----Original Message-----
> From: "Rifat Levis"
> Sent: Mon, 16 Jun 2003 02:01:45 +0300
> Subject: [Declude.JunkMail] DSN:Tarpitting and declude 
> firewall integration
> 
> 
> 
> People intersted in tarpitting and Declude firewall 
> integration can read this.
> 
> 
> 
> I just finished the tarpitting protection for my IMAIL server
> I am sending logs to the kiwi syslog server and forwarding it 
> to SQL to analyse data
> 
> When in a 2 min period a single ip send mail to more than 5 
> unknown account I am blocking the ip address on my netscreen 
> firewall for 1 hour.
> 
> 
> The next step of this is to integrate Declude to the firewall
> 
> I have 3 weight
> weight 10 warn
> weight 15 warn
> weight 20 delete
> 
> Instead of deleting weight 20 i will forward it to an account 
> to send data to SQL analyse it and then block it for 1 hour .
> 
> NOTE : I am sure that KAMI will be interested :)
> 
> Best Regards
> Rifat Levis
> 
> ---
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> 
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> 

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