Re: formail recipe that queries asn.routeviews.org

Chris <[email protected]> Tue, 21 Oct 2014 22:49:55 -0500
Newsgroups gmane.mail.procmail
Message-ID <[email protected]>
On Tue, 2014-10-21 at 20:36 -0600, LuKreme wrote:
> On 20 Oct 2014, at 20:00 , Chris <[email protected]> wrote:
> > I've a formail recipe embedded in my .procmailrc file that it's purpose
> > is to parse out the senders ASN and CIDR. The output of looks like this:
> > X-senderip: 168.244.164.171
> > X-asn: ASN-21789
> > X-cidr: 168.244.164.0/24
> 
> This is interesting, but why do it?
> 

I've been using it for years, I didn't write it, Karsten Self did. I use
it when reporting a spam to such places as universities and include the
sender IP which hopefully would make it easier to find out who had been
hacked or was actually sending out the spam. 

-- 
Chris
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