May 20, 20169 yr Just an FYI, I received a call today because a domain was failing the spf record test that mxtoolbox.com does. After reviewing what mxtoolbox shows I could see everything was pushed together (no spaces) so I went to the record and added quotes around the entire entry from v=spf all the way to -all (which is the last part of the entry) This fixed the issue. It appears the entry uses RegEx expressions so quote the entire entry and you'll be good to go.
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