Configure Sender Policy Framework (SPF)

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Last updated: Mar 18, 2013 by Beth BaylessVersion comment
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What is SPF?

Sender Policy Framework (SPF) is an industry standard record used to prevent domain spoofing and spam by verifying the source for e-mail messages.  For more information see the OpenSFP: FAQ http://www.openspf.org/FAQ

To Add/Edit DNS records for SPF

If you are not comfortable modifying your domains DNS records, please contact your account manager. Do NOT delete your existing SPF records. Instead, add the missing directive to your existing records.

For more detailed information on adding a SPF Record to your domain visit http://www.openspf.org/FAQ/Examples

If you have an existing SPF record then insert the following directive into your existing record:

include:spf.criticalimpactinc.com

If you do not have an existing SPF record then create a DNS entry of type TXT for the domain. Leave the hostname or subdomain field blank. An example DNS entry is provided below.

v=spf1 a mx ptr include:spf.criticalimpactinc.com ~all