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From Matus UHLAR - fantomas <>
Subject Re: question re/ RDNS_NONE
Date Tue, 24 Nov 2015 12:38:36 GMT
>>On Tue, 24 Nov 2015 11:22:20 +0100
>>Matthias Apitz wrote:
>>>I have contacted the support of my ISP and phoned them today: the
>>>hotline guy said, that the technican not even understood the problem
>>>and why there should be together with the IP a rDNS, and why I can't
>>>do the lookup by my own, .... :-(

>Am 24.11.2015 um 13:00 schrieb RW:
>>You can by running the BOTNET plugin

On 24.11.15 13:24, Reindl Harald wrote:
>on the other hand why can't SA not do the lookup for the IP of 
>"Received: from []" given that it does a lot of dns 
>lookups anyway?

just because of that - to limit the number of outgoing DNS requests and
focus on that haven't been done before.  That's why SA uses existing headers
like Received: and Received-SPF:

Matus UHLAR - fantomas, ;
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