Mark Nellemann writes:
>
> I am trying to figure out how to filter out spam mails using the
> blacklists feature in esmtpd.
>
> I have added the following to etc/esmtpd file:
> BLACKLISTS='-block=blackholes.mail-abuse.org,BLOCK2
> -block=relays.mail-abuse.org,BLOCK2'
>
>
> Is it correctly understood that when maildrop gets the mail for
> delivery, there should be a $BLOCK2 variable if the mail was cought in
> the blacklists?
You'll need to use the import statement first, to import it from the
environment.
>
> My intention is to add an extra mailheader (for later filtering) if the
> $BLOCK2 variable is present. Is it enough just to test if the $BLOCK2
> variable is present or should I test if it contains something?
>
> if($BLOCK2)
> {
> echo "blacklisted "
> xfilter "/home/courier/bin/reformail -a'X-Spam: true'"
> }
>
> or
>
> if($BLOCK2 ne "")
This is the way to do it.
--
Sam
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