research Question

Explanation of SPF and DKIM records

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al4629740Flag for United States of America asked on
SecurityAntiSpamEmail ServersDNS
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I am trying to figure out exactly what SPF and DKIM records are used for and in what situations they need to be implemented.  I am familiar with the fact that SPF records help prevent SPAM but how does that exactly work?  Also what are some issues with using these records?  What are the exact differences?  
SOLUTION
DEMAN-BARCELO (MVP) Thierry
SENIOR SYSTEM ARCHITECT

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