[sendmail] Skipping rbl per domain

Steve Freegard steve.freegard at fsl.com
Thu Nov 9 18:04:07 GMT 2006

Hi Joost,

Joost Waversveld wrote:
> Hi to all,
> I've searched but I could not find an good answer...
> We have some mailscanners with a lot of domains pointing to them, which 
> are very busy. At the moment we do not use RBL's through sendmail. We 
> let Mailscanner (SpamAssassin) handle those lookups. This way every end 
> user can choose what to do with the SPAM.
> To handle the load better we want to enable some RBL-checks through 
> sendmail but we know some customers don't want that, because then we are 
> deciding which mail could be deleted, and which not. If you get what I 
> mean.
> Is it possible to enable the RBL-checks in sendmail per domain, so 
> customer1 can use the function(s), but customer2 does not??

Have a look at http://www.five-ten-sg.com/dnsbl/ it's a bit bloaty 
compared to the Snertsoft milters (and it's written in C++), but it does 
allow you to configure a blacklist policy on a per-domain basis.

Hope this helps.

Kind regards,

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