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HOWTO - Define an SPF Record
Fri 11 Sep 2009 02:07:11 PM AEST - permalink
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http://www.zytrax.com/books/dns/ch9/spf.html
antispam
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DnsQueries Tool
Tue 13 Jan 2009 11:29:11 AM AEDT - permalink
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http://www.dnsqueries.com/en/
dns
dnsstuff
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