Use Dual Server as a Blocklist

[staffie2001uk]

I had assumed that if I added IP addresses that I wanted to block in the [DNS_HOSTS] section:
50.2.211.18=127.0.0.2
Then my mailserver would receive 127.0.0.2 if the incoming servers IP was 50.2.211.18.
However, I get Invalid Entry at start-up of Dual Server for each of the lines with IP to the left.

Is it possible to do what I want to do?

Thanks in advance,

Colin.

[staffie2001uk]

I figured it out. In case anyone else has this issue:

The entry in the dns_host list or file needs to be in line with the request from the mailserver:
18.211.2.50.rbl.staffie.net=127.0.0.2
Where the IP address to the left has been reversed, "rbl.staffie.net" is the url of the blocklist server and 127.0.0.2 is the response that the mailserver will recognise as meaning it is a spam peddlar.

[Achal Dhir]

Please use [Conditional_Forwarder] entry here

[CONDITIONAL_FORWARDERS]
18.211.2.50.rbl.staffie.net=127.0.0.2

Thanks
Achal

Thanks

Achal Dhir
678-696-0091

On Thu, Jan 14, 2021 at 7:54 AM staffie2001uk staffie2001uk@users.sourceforge.net wrote:

I figured it out. In case anyone else has this issue:

The entry in the dns_host list or file needs to be in line with the
request from the mailserver:
18.211.2.50.rbl.staffie.net=127.0.0.2
Where the IP address to the left has been reversed, "rbl.staffie.net" is
the url of the blocklist server and 127.0.0.2 is the response that the
mailserver will recognise as meaning it is a spam peddlar.

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Use Dual Server as a Blocklist

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