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From: Greg Whynott <Greg.Whynott@oicr.on.ca> To: "nanog@nanog.org list" <nanog@nanog.org> Date: Mon, 4 Oct 2010 12:47:52 -0400 Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org A partner had a security audit done on their site. The report said they we= re at risk of a DoS due to the fact they didn't have a SPF record. =20 I commented to his team that the SPF idea has yet to see anything near mass= deployment and of the millions of emails leaving our environment yearly, = I doubt any of them have ever been dropped due to us not having an SPF reco= rd in our DNS. When a client's email doesn't arrive somewhere, we will he= ar about it quickly, and its investigated/reported upon. I'm not oppo= sed to putting one in our DNS, and probably will now - for completeness/be= st practice sake.. =20 how many of you are using SPF records? Do you have an opinion on their use= /non use of? take care, greg
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