On Thu, 2005-05-19 at 10:37 +0200, Philipp Morger wrote: > An F for effort... ;) > > --($:~)-- dig newsletter.sunrise.ch TXT +short > "spf2.0/pra ip4:146.82.220.0/23 ip4:198.31.62.0/23 ip4:209.47.11.0/24 > ip4:62.221.20.0/24 ip4:65.167.67.192/27 ip4:216.73.80.0/20 ~all" > "v=spf1 ip4:146.82.220.0/23 ip4:198.31.62.0/23 ip4:209.47.11.0/24 > ip4:62.221.20.0/24 ip4:65.167.67.192/27 ip4:216.73.80.0/20 ~all" >
Indeed the larger "Advertisers" have already embraced this great
technology called SPF so that they won't be filtered:
inetnum: 62.221.20.0 - 62.221.20.255
netname: DOUBLECLICK-IE
descr: Double Click, Ireland
Double Click DOUBLECLICK7-62-28 (NET-198-31-62-0-1)
198.31.62.0 - 198.31.63.255
Double Click MEDSYN7-UUU1 (NET-209-47-11-0-1)
209.47.11.0 - 209.47.11.255
Double Click FON-110147993679739 (NET-65-167-64-0-1)
65.167.64.0 - 65.167.67.255
NetRange: 216.73.80.0 - 216.73.95.255
CIDR: 216.73.80.0/20
NetName: DOUBLECLICK-NET
network:ID:4632.146.82.220.0/23
network:Auth-Area:net.146.82.0.0-16
network:Network-Name:1682.1682.DOCLI
This thus only 'protects' nobody sending a faked newsletter (read:
advertisement) mails from doublyclick... very useful.
Greets,
Jeroen
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