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Om 5:10 op maandag 17 december 2001, colin gebhart:

> does anyone know if there is an easy way to use the sorting office
> selective downloads to only download emails from originators that
> are not listed at ordb.org, and approximately what the signal string
> would look like?

No, without outside help this is not possible. The way ORDB works is
that your email-server checks in the DNS (Domain Name Service, the
telephonebook for your computer to find out to what address to yell to
when you type "www.cnn.com" in your browser) whether the host from
which it is about to accept email from is listed by the ORDB. If so,
then the message is not accepted, and bounced with an error, so that
the receiving end knows that the mail could not be delivered.

The way you want to implement this denies possible legitimate mails to
you WITHOUT error-message returning (your friends ISP could be listed
in the ORDB without you or he knowing it! imagine unknowingly missing
the invitation for his birthday :). You can't return messages, because
you don't know who to return messages to, and besides, returning
error-messages to spammers is generally considered a bad thing, you
confirm the validity of your emailadress that way.

Try convincing your ISP to implement ORDB filtering, which is IMO the
proper place to do so.

Mrten.

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