AW: Uptick in spam

Octavio Alvarez octalnanog at alvarezp.org
Tue Oct 27 01:40:07 UTC 2015


On 26/10/15 11:38, Jürgen Jaritsch wrote:
> Hi,
> 
> I added this two lines to our postfix header checks:
> 
> /mike at sentex\.net/ DISCARD
> /jdenoy at jdlabs\.fr/ DISCARD
> 
> Worked very well:
> 
> # grep -i discard /var/log/mail.log | grep -iE "@jdlabs|@sentex" | wc -l
> 408

But it is originating all from different IP addresses. Who knows if this
is an attack to get *@jdlabs.fr blocked from NANOG and is just getting
its goal accomplished.





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