Your SPF record looks fine and your mail provider says everything is configured, yet DMARC fails and messages land in spam. One quiet cause: the SPF record went over the 10-lookup limit. The rule RFC 7208 (section 4.

Source: [Dev.to](https://dev.to/captaindns/spf-too-many-dns-lookups-how-to-fix-the-10-lookup-limit-4dh3)

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