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December 2007

July 2007

SPF: FAQ/How does it work

by camel (via)
Domains use public records (DNS) to direct requests for different services (web, email, etc.) to the machines that perform those services. All domains already publish email (MX) records to tell the world what machines receive mail for the domain. SPF works by domains publishing "reverse MX" records to tell the world what machines send mail from the domain. When receiving a message from a domain, the recipient can check those records to make sure mail is coming from where it should be coming from. With SPF, those "reverse MX" records are easy to publish: one line in DNS is all it takes.

December 2006

SFP NET

by simssoun
Site de la société francaise de physique

PUBLIC TAGS related to tag sfp

dell +   dns +   email +   mail +   physique +   switch +  

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