ESP Deliverability Report
Updated Apr 1, 2026
Constant Contact
Email marketing and online tools for small businesses
Deliverability Grade
Needs improvement in deliverability
17%
Primary Inbox
68%
Promotions Tab
16.5%
Avg Spam Rate
Marketing ESP
Platform Type
Shared IPs
Available
Dedicated IPs
Shared only
IP Warmup Required
No
Price Range
Budget-friendly
Dedicated IP Min Volume
Not available
Authentication & DMARC Alignment
SPF Auto-Configured
Yes
DKIM Auto-Configured
No
Custom Sending Domain
Yes
DMARC Alignment Notes
Constant Contact provides custom domain support but DKIM is not fully customizable. Default DKIM setup may use constantcontact.com domain, which affects DMARC alignment. Custom domain DKIM requires manual configuration.
Deliverability Features
- Drag-and-drop email builder
- Contact list management
- Automation workflows
- Engagement tracking
- Social media integration
Shared IP Reputation
Constant Contact serves micro and small businesses with shared IP pools. Pools are large and include many low-engagement senders, which can impact placement for active senders.
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 Constant Contact Senders
Constant Contact scores a Grade C with a 16.5% average spam rate and 17% Primary inbox placement.
Configuring a custom sending domain is required for DMARC alignment — do this before scaling sends.
See Your Actual Constant Contact Inbox Placement
Benchmarks show averages. InboxEagle shows you exactly where your Constant Contact emails land — Gmail Primary vs. Promotions vs. Spam — across 20+ mailbox providers after every send.
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