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Sid_F

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Will enable SPF blocking block domains without SPF?

If I enable SPF blocking on my Barracuda on premise or any email system for that matter does this mean that domains with out an SPF will be automatically blocked OR does it simply mean that if an SPF record is present it will check it and block it if email doesn't match the sender address. We'll keep soft and hard fails out of this questions to keep it simple  :  ) thanks
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Paul MacDonald
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