Email Deliverability Report
Updated Apr 1, 2026
Twitter / X
Domain: twitter.com
Twitter/X maintains strict email authentication for account security.
Overall Email Deliverability Grade
Excellent email deliverability practices
Email Service Provider
In-house
IP Type
dedicated IP
Blacklist Status
Clean
Industry
media
Email Authentication Setup
SPF
Configuredv=spf1 include:twitter.com ~all
DKIM
ConfiguredDKIM for twitter.com
DMARC
Configuredp=reject; rua=mailto:dmarc@twitter.com
Policy: reject
DMARC Policy: REJECT
Strict enforcement. Any email failing DMARC authentication is immediately rejected. This is the strongest protection against phishing and domain spoofing.
BIMI & Brand Trust Signals
BIMI Record
Configured with Brand Indicators for Message Identification. This allows Gmail and other providers to display your brand logo in the inbox.
VMC Verification
Verified with a Valid Marketing Certificate (VMC). This provides the highest level of brand authentication.
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
Twitter / X maintains a clean reputation across major DNS-based blacklist providers. Emails are not being blocked based on IP or domain reputation.
Key Takeaways
Twitter / X takes email deliverability seriously with a Grade A authentication setup.
DMARC policy set to reject shows the highest level of domain protection.
Using dedicated IPs shows a commitment to managing their own sender reputation.
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