Sendmail: How does one blacklist annoying spammers?
Ed.Greshko at greshko.com
Mon Jun 28 04:05:37 UTC 2010
On 06/28/2010 11:56 AM, Tim wrote:
> Only a few thousand? What do you think is a huge list? And that's just
> your list of mail servers for one service... What about the other ISPs,
> the thousands of them?
Having a look at the SPF records....
gmail.com. 300 IN TXT "v=spf1
_spf.google.com. 300 IN TXT "v=spf1
ip4:188.8.131.52/19 ip4:184.108.40.206/19 ip4:220.127.116.11/20
ip4:18.104.22.168/18 ip4:22.214.171.124/17 ip4:126.96.36.199/20
ip4:188.8.131.52/16 ip4:184.108.40.206/20 ip4:220.127.116.11/20
and therefore totals to a potential +212K "approved" sending hosts.
But, as far as the SPF processing is concerned....note the ?all at the end.
Barometer, n.: An ingenious instrument which indicates what kind of
weather we are having. -- Ambrose Bierce, "The Devil's Dictionary" 葛斯
克 愛德華 / 台北市八德路四段
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