Re: [Exim] RBL check suggestions for new version

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Szerző: Chris Thompson
Dátum:  
Címzett: exim-users
Tárgy: Re: [Exim] RBL check suggestions for new version
David Saez Padros <david@???> writes:

> Some suggestions for RBL checks:
>
> - Before RBL check, check that the recipients are existent local
> addresses: If the spammer gets a message telling his server is
> on the RBL he will find some other ways to send spam, when he
> is really trying to send mail to a non existent address.


This sort of assumes that spammers remove addresses from their lists
if they get a response indicating that they doesn't exist. They don't.

We get large amounts of spam for accounts that were cancelled years
ago. I think the record is up to about 8 years now.

Chris Thompson
Email: cet1@???