Email troubleshooting guides
Proofpoint Essentials setup guides, organized by problem
Browse Proofpoint Essentials MX, SPF, DKIM, and DMARC setup guides.
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Proofpoint Essentials: DKIM is not verified for outbound mailFix an unverified Proofpoint Essentials DKIM key before enabling outbound mail through the service.
Proofpoint Essentials: inbound mail bypasses the gatewayFix inbound mail that bypasses Proofpoint Essentials or stops after a Direct MX deployment change.
Proofpoint Essentials: legitimate mail is quarantined as Fraud after DMARC failFix legitimate mail quarantined as Fraud by Proofpoint Essentials after SPF and DKIM fail DMARC alignment.
Proofpoint Essentials: SPF fails for outbound mailFix SPF failure for outbound mail routed through Proofpoint Essentials.
Primary sources: Primary technical reference.