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posted on September 4th 2014, at 11:52
by lunarg

To generate an SPF-record for your domain with the proper syntax, you can use the wizard at:

http://www.spfwizard.net/

To verify an SPF-record after it's in place:

http://mxtoolbox.com/spf.aspx

Read more on SPF: http://www.openspf.org/