Email troubleshooting guides
Zoho Mail setup guides, organized by problem
Browse Zoho Mail setup and migration guides for DNS, authentication, and SMTP.
Choose the article that matches the provider, record type, or exact error shown in your mail logs.
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Zoho Mail: Custom domain verificationZoho Mail: Custom domain verification. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Custom envelope domainZoho Mail: Custom envelope domain. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DKIM CNAME setupZoho Mail: DKIM CNAME setup. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DKIM key propagationZoho Mail: DKIM key propagation. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DKIM key rotationZoho Mail: DKIM key rotation. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DKIM selector setupZoho Mail: DKIM selector setup. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DMARC aggregate reportsZoho Mail: DMARC aggregate reports. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DMARC alignmentZoho Mail: DMARC alignment. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DMARC enforcement rolloutZoho Mail: DMARC enforcement rollout. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DMARC forwarding effectsZoho Mail: DMARC forwarding effects. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DMARC policy choiceZoho Mail: DMARC policy choice. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DMARC record setupZoho Mail: DMARC record setup. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DMARC subdomain policyZoho Mail: DMARC subdomain policy. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DNS propagation after changeZoho Mail: DNS propagation after change. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Duplicate SPF recordsZoho Mail: Duplicate SPF records. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Email forwarding and authenticationZoho Mail: Email forwarding and authentication. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Invalid DKIM public keyZoho Mail: Invalid DKIM public key. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Mail receiving disabledZoho Mail: Mail receiving disabled. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Mailbox migration routingZoho Mail: Mailbox migration routing. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: MX fallback behaviorZoho Mail: MX fallback behavior. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: MX gateway before providerZoho Mail: MX gateway before provider. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: MX hostname formatZoho Mail: MX hostname format. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: MX migration checklistZoho Mail: MX migration checklist. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: MX priority and fallbackZoho Mail: MX priority and fallback. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: MX propagation delayZoho Mail: MX propagation delay. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: MX records conflictZoho Mail: MX records conflict. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Port 25 deliveryZoho Mail: Port 25 delivery. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Port 465 submissionZoho Mail: Port 465 submission. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Provider DKIM signingZoho Mail: Provider DKIM signing. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Provider SPF includeZoho Mail: Provider SPF include. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Provider verification pendingZoho Mail: Provider verification pending. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Return-Path and MAIL FROMZoho Mail: Return-Path and MAIL FROM. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: SMTP authentication setupZoho Mail: SMTP authentication setup. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: SMTP password rejectedZoho Mail: SMTP password rejected. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: SMTP TLS setupZoho Mail: SMTP TLS setup. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: SPF forwarding pathZoho Mail: SPF forwarding path. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: SPF hard failZoho Mail: SPF hard fail. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: SPF lookup limitZoho Mail: SPF lookup limit. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: SPF on the MAIL FROM subdomainZoho Mail: SPF on the MAIL FROM subdomain. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: Where to edit DNSZoho Mail: Where to edit DNS. Compare provider guidance with public DNS evidence and follow the safest next configuration step.
Zoho Mail: DKIM record not verifyingFix Zoho Mail DKIM by generating the selector for the correct domain and data center, publishing it exactly, and enabling signing after verification.
Zoho Mail: MX records not receiving mailRestore Zoho Mail receiving by confirming the organization data center and recipients, then publishing the complete regional MX set for the domain.
Zoho Mail: SPF record for provider sendingAuthorize the correct Zoho Mail data center and every other sender in one SPF policy for the actual envelope domain.
Primary sources: Primary technical reference.