Published by Ron Billings - <a href="http://ClusteredNetworks.com" target="_blank" rel="noopener noreferrer">ClusteredNetworks.com</a>
<a href="https://www.clusterednetworks.com/spf-dmarc-record-cheatsheet" target="_blank" rel="noopener noreferrer">https://www.clusterednetworks.com/spf-dmarc-record-cheatsheet</a>

Published by Ron Billings - ClusteredNetworks.com https://www.clusterednetworks.com/spf-dmarc-record-cheatsheet

Published by Ron Billings - <a href="http://ClusteredNetworks.com" rel="noopener noreferrer">ClusteredNetworks.com</a>
<a href="https://www.clusterednetworks.com/spf-dmarc-record-cheatsheet" rel="noopener noreferrer">https://www.clusterednetworks.com/spf-dmarc-record-cheatsheet</a>

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DNS SPF Qualifiers - What's the Difference？ -all ~all +all ？all [ggHM01n4tb8]

DNS SPF Qualifiers - What's the Difference？ -all ~all +all ？all [ggHM01n4tb8]