Forwarding and result meaning
05A forwarding host can change the connecting IP without changing the envelope domain.
Related RFCs and changes
“Updates” changes part of an earlier RFC. “Obsoletes” replaces it. This list shows selected related documents.
DIAGRAM§ 10.3 ↗
RFC 7208 · § 10.3EXAMPLE
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03
Re-evaluate at that hop
The new address may fail the unchanged envelope domain’s policy.
Protocol participantThreat or exceptionProtocol controlSimplified drawings · precise section references
Read the updated RFC section ↗
A legitimate forwarded message can therefore fail the original domain’s SPF check.
- A legitimate forwarded message can therefore fail the original domain’s SPF check.
- SPF pass is not proof that the visible author domain aligns or the content is harmless.
- Receiver disposition remains a policy decision informed by the result.
Examples are illustrative. Consult the linked RFC and its errata for implementation details.
Read the RFC section ↗Diagrams simplify the RFC. Read the linked sections for complete requirements.
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