Sorry to jump in late.
On Mon, Apr 23, 2001 at 10:26:05PM +0200, Erich Schubert wrote:
> I do not drop them, i refuse accepting them. It's up to the sending relay to
> decide what to do. Usually they get bounced.
The problem we had is that we have users that depend on receiveing
emails even from relay open mailservers, because they have business
partners that use these servers.
So blocking them is not an option for us as their ISP (we did, and we
had to stop it). You can argue with your customers, but if they loose
money or don't get some urgent data they don't care about SPAM.
On the other hand, if you're a BOFH and you don't care about customers,
it's easy to set up a default delivery for all unknown recipients, parse
the headers and automatically add them to your own block list.
If you run this for a few weeks, I'll dare to predict you won't get
too much SPAM any longer, but you'll have a high false positive rate ;-)
> I did get a lot of double-bounces, about 14 Meg in total...
> These mails never passed through our system, the used address never existed.
It's pretty easy to eliminate double bounces:
(dunno exactly if this works with qmail-ldap ... anyway)
echo 'doublebounceto' > /var/qmail/control/doublebounceto
echo '#' > ~alias/.qmail-doublebounceto
and voila, they're gone.
The tagging mechanism does not enforce rejection of messages.
You can use the information for all sorts of postprocessing.
Instead of bouncing the messages you could also do a conditional
forward to [EMAIL PROTECTED] and if you open this folder most
of the mails will be what you expect them to be: SPAM.
But at least you have the messages and you are able to double check
(maybe once a day, instead of your normal mailbox that you check
every few minutes).
I hope the intention behind this mechanism is a bit clearer now ;-)
\Maex
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