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On Mon, 2021-02-15 at 18:53 +0100, Jaroslaw Rafa via mailop wrote:
> Dnia 15.02.2021 o godz. 15:43:56 Matthew Stith via mailop pisze:
> > Wanted to get this out to you all for awareness for anyone who is using
> > the Spamhaus public mirrors to query our DNSBLs. Beginning in March
> > Spamhaus will start enforcing the follow error return codes for these
> > news codes announced in 2019:
> >
> > 127.255.255.252 - Typing error in DNSBL Name
> > 127.255.255.254 - Query via public/open resolver/generic unattributable rDNS
> > 127.255.255.255 - Excessive Number of Queries
> >
> > The main thing to take away from this announcement is that these codes
> > are meant to be treated as errors and not an indicator of negative
> > reputation. The plugins that we have developed for Spamassassin and
> > Rspamd already properly parse out these errors. You can read more about
> > the change here:
>
> Are these "error" codes covered by any RFC?
> If not, I suppose that Wietse will refuse to implement them in Postfix :)
Anyone can implement it in postfix. Just use:
postscreen_dnsbl_sites =
zen.spamhaus.org=127.0.0.[0..255]*3
If you are using a version so old that it doesn't support postscreen,
then Wietse isn't your friend.
- -Jim P.
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