OT: Regarding running RBL's inhouse

[Dennis Willson]

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The most work is keeping it curent. I use an automated system I wrote to 
collect addresses of Spam sources. There are also the remove requests 
that come along and they have to be handled. I store my entries in an 
SQL database and then run a cron job that dumps the database into a zone 
file. That allows me to use an un-modifed version of bind. I have, in 
the past, maintained the zone files by hand... lots of work if it's a 
busy RBL All the adds and removes. Depending on how you use it, there 
may not be so many removes. Once I figured out a couple of ways to 
attract the Zombie Army I was getting much fewer removes since no real 
email ever comes from those machines and the owners don't know their listed.

Having a local RBL can be very benificial as you're in complete control. 
Add what you want and remove what you want based on you're own criteria. 
I have also hosted public RBLs and they really get problamatic becase if 
you're  at all effective, you will be attacked. I finally had to 
shutdown the public lists because I couldn't afford being attacked all 
the time.

Dennis

Anders Andersson, IT wrote:

>Hi
>There has been a little desussion between me and other mail admins,
>working in same line of bussiness running a shared RBL-server. Since the
>heaalthcare business here have rules and regulations its sometimes hard
>to use external RBL's that we can't controll. There is a mix of systems
>but mainly Exchange/Notes and of course sendmail/mailscanner running in
>different locations.
>Has anyone got any experince in running RBL and could shed some light if
>its worth running it of just a wast of time. 
>Our mail goals would be distributed servers and fairly easy updates of
>lists since the might be alot of manual workbeacause of laws/regulations
>
>/Anders
>
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