"SPF PermError: too many DNS lookups" is a common error seen in many SPF implementations. When an often overlooked SPF 10-DNS-lookup limit is exceeded, an SPF PermError, aka SPF permanent error, is returned. SPF PermError's can affect your email deliverability…

When troubleshooting email delivery issues, you might run into some cryptic SPF error on the receiving email server along the lines of:

SPF PermError: too many DNS lookups

SPF Permanent Error: too many DNS lookups

SPF Fail: too many DNS lookups

These messages indicate that the SPF record on…