Multiple SPF records


Don’t fall for bad advice

The second most common SPF error made by organizations is publishing multiple SPF records for a single domain. This may be in part due to bad advice offered by various email service providers about setting up SPF records. People are sometimes told to create a new SPF record without anyone bothering to ask whether another functioning SPF record is already in place. Following such advice often leads to multiple records being created:

“v=spf1 ~all”

“v=spf1 ?all”

“v=spf1 mx a -all”

When multiple SPF records are found, all SPF authentication will fail.

Fraudmarc can help

Fraudmarc’s intuitive SPF tool lets you manage a variety of authorized senders without ever having to interact with DNS management. Since Fraudmarc also uses SPF Compression℠, the number of DNS lookups needed to authenticate all of your authorized senders is minimized.

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