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RE this answer

User wants to find a "way to get around this 10-lookups-only limit"

The 10 lookup limit is a limit for DNS lookups. Flattening the SPF record to include less DNS lookups and substituting them for IPs (flattening) DOES get around the limit.

The answer is suitable. Maybe @DavidPostill needs to take a look at the RFC?

Question in focus is SPF Records causing too many DNS lookups

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    I've undeleted your answer. – DavidPostill Dec 31 '17 at 18:08
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    SPF Guru's answer suggests flattening, but explains how it is a solution to what was asked, since it's a workaround. Your answer, as written, doesn't explain why it's a solution and appears a bit spammy (recommends a "tangential" service without explaining how it solves the problem). It's been undeleted, but could still attract downvotes because of this. Just a serving suggestion: it would be a much better answer if you add the explanation and citations you put here. – fixer1234 Dec 31 '17 at 18:23
  • thanks, improved answer. – Gaia Dec 31 '17 at 19:07

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