Email Deliverability Report
Updated Apr 1, 2026
Delta Air Lines
Domain: delta.com
Delta uses DMARC alignment for passenger communications and bookings.
Overall Email Deliverability Grade
Excellent email deliverability practices
Email Service Provider
In-house
IP Type
dedicated IP
Blacklist Status
Clean
Industry
travel
Email Authentication Setup
SPF
Configuredv=spf1 include:delta.com ~all
DKIM
ConfiguredDKIM for delta.com
DMARC
Configuredp=quarantine; rua=mailto:dmarc@delta.com
Policy: quarantine
DMARC Policy: QUARANTINE
Moderate enforcement. Emails failing DMARC authentication are marked as suspicious and often placed in spam folders rather than rejected outright.
BIMI & Brand Trust Signals
BIMI Record
Not currently using BIMI. This feature displays your brand logo next to emails in Gmail and other providers that support it.
VMC Verification
VMC verification not currently in use for additional brand trust.
Sending Infrastructure
Email Service Provider
In-house
Operates their own email sending infrastructure for maximum control and deliverability.
IP Configuration
dedicated IP Address
Uses dedicated IP(s) for sending. This allows complete control over sender reputation but requires active monitoring.
Blacklist Status
Not Listed on Major Blacklists
Delta Air Lines maintains a clean reputation across major DNS-based blacklist providers. Emails are not being blocked based on IP or domain reputation.
Key Takeaways
Delta Air Lines takes email deliverability seriously with a Grade A authentication setup.
DMARC policy set to quarantine shows a proactive approach to brand protection.
Using dedicated IPs shows a commitment to managing their own sender reputation.
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