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 redirect=_spf.google.com" which becomes... _spf.google.com. 300 IN TXT "v=spf1 ip4:216.239.32.0/19 ip4:64.233.160.0/19 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:209.85.128.0/17 ip4:66.102.0.0/20 ip4:74.125.0.0/16 ip4:64.18.0.0/20 ip4:207.126.144.0/20 ip4:173.194.0.0/16 ?all" 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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