ESP Deliverability Report
Updated Apr 1, 2026
SendGrid
Transactional and marketing email delivery at scale
Deliverability Grade
Excellent email deliverability practices
20%
Primary Inbox
65%
Promotions Tab
13.5%
Avg Spam Rate
Marketing + Transactional
Platform Type
Shared IPs
Available
Dedicated IPs
Available
IP Warmup Required
Yes
Price Range
Mid-range
Dedicated IP Min Volume
10,000+ emails/day recommended
Authentication & DMARC Alignment
SPF Auto-Configured
Yes
DKIM Auto-Configured
Yes
Custom Sending Domain
Yes
DMARC Alignment Notes
SendGrid auto-configures DKIM and SPF using your custom domain when you set up domain authentication. This passes DMARC alignment correctly out of the box with domain authentication enabled.
Deliverability Features
- Expert Services deliverability consulting
- IP Warmup automation tool
- Real-time event webhooks
- Advanced suppression management
- Dedicated IP provisioning
- Subuser reputation isolation
Shared IP Reputation
SendGrid segments shared IPs into pools by engagement quality. Their architecture automatically routes higher-performing senders into cleaner pools — you're not randomly pooled with spammers.
Best For
Inbox Placement Breakdown
Benchmarks based on InboxEagle seed list testing data across ecommerce and SaaS senders. Individual results vary based on list quality, engagement, and domain reputation.
Key Takeaways for SendGrid Senders
SendGrid scores a Grade A with a 13.5% average spam rate and 20% Primary inbox placement.
Configuring a custom sending domain is straightforward — do this before scaling sends.
Dedicated IPs are available from 10,000+ emails/day recommended. Below this threshold, shared pools offer more established reputation.
See Your Actual SendGrid Inbox Placement
Benchmarks show averages. InboxEagle shows you exactly where your SendGrid emails land — Gmail Primary vs. Promotions vs. Spam — across 20+ mailbox providers after every send.
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