Deliverability Infrastructure Built For Scale
For companies sending 1M+ cold emails monthly: SuperSend Relay — enterprise cold email infrastructure that handles millions of cold emails automatically. Built specifically for cold email. For teams sending less: Deliverability tools that work perfectly at smaller volumes.
SuperSend Relay — Built For Millions Of Cold Emails
For companies sending 1M+ cold emails monthly. Enterprise cold email infrastructure that handles millions of cold emails automatically. The only sequencer built specifically for cold email that can handle this volume.
- Can send millions/billions of cold emails — unlimited scale
- All backend systems handled automatically
- 24-hour activation with dedicated support
Deliverability Tools for Smaller Volumes
For teams sending less than 1M emails monthly. Enterprise-grade deliverability tools that work perfectly at smaller volumes.
- Perfect for hundreds of thousands of emails per month
- Multi-provider domains & inboxes (Gmail, Outlook, custom SMTP)
- Automated warmup, reputation monitoring, and placement tests
Scale Sending Safely Across Multiple Providers
Enterprise: Handles millions automatically. Self-serve: Perfect for hundreds of thousands per month.
- Provision domains and inboxes across Gmail, Outlook, private ESPs, and custom SMTPs.
- Keep your sending diversified so no single provider impacts deliverability.
- Automated domain setup and rotation for cold outbound at any scale.
Consistent Inbox Placement at High Volume
Enterprise: Handles millions automatically. Self-serve: Works perfectly at smaller volumes.
- Warmup, volume ramping, and inbox rotation managed automatically.
- Real-time reputation monitoring prevents dips before they hurt placement.
- SuperSend routes messages through the healthiest inbox to maintain scale.
Placement Tests Across Every ESP
- See where emails land — Inbox or Spam — across Gmail, Outlook, Yahoo, and more.
- Spot placement issues early with live tests and health signals.
- Monitor domain health, reputation, and alerts in one place.
FAQs
Common questions about deliverability infrastructure for enterprise and self-serve plans.
See Your Infrastructure Needs
Enter your domain and monthly volume to get your exact Relay infrastructure plan — subdomains, dedicated IPs, sender identities, and cost estimates.