550 5.7.1
LPN007_518 Content Policy Block
Laposte blocked the message because content or URLs violate local policy.
LPN007_518 is typically triggered by phishing-style copy, URL shorteners, or missing legal disclosures required by French law.
Severity
ERROR
Provider
Laposte.net
Reference
LPN007_518
Last Reviewed
2025-06-01
How to Fix 550 5.7.1
Follow these steps to resolve this Laposte.net SMTP error and restore normal delivery.
- ✓Localise legal footers (mentions légales) and unsubscribe wording for the French market.
- ✓Avoid URL shorteners; use branded, HTTPS links that resolve quickly.
- ✓Remove aggressive promotional language that may resemble spam.
- ✓If false positive, share sample content and remediation steps with Laposte support.
Helpful Resources
More Laposte.net SMTP Codes
Keep these related troubleshooting guides handy while addressing 550 5.7.1.
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