Scale Your Agency's Cold Email Operations
Manage cold email infrastructure for multiple clients from a single dashboard. Bulk setup, team collaboration, and centralized management.
Agency Challenges We Solve
Running cold email for multiple clients is complex. We simplify everything.
Manual Domain Setup
Bulk register and configure hundreds of domains with automated DNS in minutes.
Scattered Mailboxes
Centralized dashboard to manage all client mailboxes across Google and Microsoft.
Credential Management
Secure storage and one-click export to any sequencer, organized by client.
Scaling Headaches
Add new clients and mailboxes instantly without infrastructure bottlenecks.
Built for Agency Operations
Multi-Client Workspaces
Organize domains and mailboxes by client with separate workspaces. Keep everything organized as you scale.
Team Collaboration
Invite team members with role-based access. Account managers can manage their clients without seeing others.
Bulk Operations
Upload CSV to create hundreds of mailboxes at once. Bulk domain registration and configuration.
Client Isolation
Each client's infrastructure is isolated. Issues with one client won't affect others.
Usage Analytics
Track mailbox health, sending limits, and costs across all clients from a single view.
Your Agency Workflow
Create Workspace
Set up a workspace for each client to keep infrastructure organized.
Bulk Setup
Upload CSV to create domains and mailboxes in bulk. DNS configured automatically.
Export Credentials
One-click export to the client's sequencer of choice.
Scale & Manage
Monitor health, add mailboxes, and manage from your dashboard.
Trusted by Lead Gen Agencies
"StackMail cut our mailbox setup time by 90%. We can onboard new clients in hours instead of days."
"The workspace feature is a game-changer. Each account manager handles their clients independently."
Agency Pricing
Plans designed for agencies of all sizes. Volume discounts available.
Growth
For growing agencies
- 30 mailboxes included
- Unlimited workspaces
- Team member access
- Bulk operations
- Standard support
Pro
For established agencies
- 100 mailboxes included
- Unlimited workspaces
- Priority support
- API access
- Dedicated account manager
- Custom onboarding
Enterprise
For large agencies
- 500+ mailboxes
- Volume discounts
- SLA guarantee
- White-label options
- Custom integrations
- 24/7 priority support
Ready to Scale Your Agency?
Join leading lead gen agencies using StackMail to manage client infrastructure at scale.