554 5.7.5 Error: Permanent error evaluating DMARC policy — Causes & Fix | InboxVerify
SMTP error code

554 5.7.5 — Permanent error evaluating DMARC policy

Updated October 12, 2026 · By the InboxVerify team

The receiver could not evaluate your authentication because a record is broken — for example an SPF PermError (too many lookups or syntax) or a malformed DMARC record.

Policy rejection · fixable

Common causes

  • SPF needs more than 10 DNS lookups
  • Two SPF records or a syntax error in SPF
  • Malformed DMARC record

How to fix it

  1. Check SPF for lookup count and syntax errors
  2. Validate your DMARC record
  3. Remove duplicate records
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Frequently asked questions

What is SPF PermError?

A permanent SPF error caused by an invalid record — most often more than 10 DNS lookups or two SPF records.