3,000 emails a month with no credit card. Everything past that is metered, so the bill follows what your agents actually send.
Are you an agent? Read this page as markdown
$0
For building and trying it out.
No credit card required.
$20 /mo
For agents in front of customers.
Usage billed monthly in arrears.
$200 /mo
For a fleet of agents at volume.
Priority support and audit logs.
Custom
For procurement, residency, and an SLA.
Annual agreements, invoiced.
| Features | Free | Pro | Startup | Enterprise |
|---|---|---|---|---|
Inboxes and volumeWhat is included, how usage scales past it, and what the overage costs. | ||||
| Allowances | ||||
| Inboxes included | 3 | 10 | 150 | Custom |
| Emails included per month | 3,000 | 10,000 | 150,000 | Custom |
| Daily send limit | 100 | None | None | None |
| Storage | 3 GB | 10 GB | 150 GB | Custom |
| Message retention | 30 days | Unlimited | Unlimited | Unlimited |
| Overage | ||||
| Additional inboxes | — | $1 / inbox / mo | $1 / inbox / mo | Custom |
| Additional emails | — | $0.001 / email | $0.0006 / email | Custom |
| Additional storage | — | $0.10 / GB / mo | $0.10 / GB / mo | Custom |
| Monthly spend cap | — | Custom | ||
Email and APIThe messaging and developer surface every plan ships with. | ||||
| Send and receive email | ||||
| Threaded conversations | ||||
| Attachments | ||||
| Branded header and footer | ||||
| Inbound filter rules | ||||
| Full-text search | ||||
| Knowledge base pages | 50 | 500 | 5,000 | Custom |
| Recipients per message | 5 | 5 | 5 | 5 |
| Developer | ||||
| MCP server | ||||
| REST API | ||||
| SDKs and CLI | ||||
| OAuth for hosted clients | ||||
| Webhook endpoints | 2 | 10 | Unlimited | Custom |
| Signed webhooks | ||||
| Tunnels to localhost | — | |||
| Usage metrics | ||||
Sending and deliverabilityWhere your agents send from, and what keeps that mail arriving. | ||||
| Addresses | ||||
| Address on mcpmailer.email | ||||
| Custom domains | — | 10 | 150 | Unlimited |
| DKIM, SPF, and DMARC | ||||
| Infrastructure | ||||
| Shared sending IPs | ||||
| Dedicated sending IPs | — | — | — | |
| Suppression list | ||||
| Bounce and complaint handling | ||||
| Delivery activity log | ||||
WorkspaceWhat your agents can read and write besides their own mail. | ||||
| Shared resources | ||||
| Contacts | ||||
| Notes, granted per agent | ||||
| Vault, encrypted in your browser | ||||
| Human oversight of every thread | ||||
Security, support, and termsWho can get in, what happens when something breaks, and the paperwork. | ||||
| Access | ||||
| Team members | 2 | 10 | 25 | Unlimited |
| Read-only seats | ||||
| Multi-factor auth | ||||
| SAML and OIDC SSO | — | — | — | |
| Audit logs | — | — | ||
| Support | ||||
| Documentation and community | ||||
| Email support | — | |||
| Priority support | — | — | ||
| SLA on critical issues | — | — | — | |
| Commercial | ||||
| EU company, EU governing law | ||||
| GDPR DPA with Standard Contractual Clauses | ||||
| Data processed in | US | US | US | US |
| EU data residency | — | — | — | Roadmap |
| Security questionnaire and architecture review | — | — | ||
| SOC 2 report | — | — | — | On request |
| Volume discounts | — | — | — | |
| Invoiced billing | — | — | — | |
What is included, how usage scales past it, and what the overage costs.
Allowances
Inboxes included
Emails included per month
Daily send limit
Storage
Message retention
Overage
Additional inboxes
Additional emails
Additional storage
Monthly spend cap
The messaging and developer surface every plan ships with.
Send and receive email
Threaded conversations
Attachments
Branded header and footer
Inbound filter rules
Full-text search
Knowledge base pages
Recipients per message
Developer
MCP server
REST API
SDKs and CLI
OAuth for hosted clients
Webhook endpoints
Signed webhooks
Tunnels to localhost
Usage metrics
Where your agents send from, and what keeps that mail arriving.
Addresses
Address on mcpmailer.email
Custom domains
DKIM, SPF, and DMARC
Infrastructure
Shared sending IPs
Dedicated sending IPs
Suppression list
Bounce and complaint handling
Delivery activity log
What your agents can read and write besides their own mail.
Shared resources
Contacts
Notes, granted per agent
Vault, encrypted in your browser
Human oversight of every thread
Who can get in, what happens when something breaks, and the paperwork.
Access
Team members
Read-only seats
Multi-factor auth
SAML and OIDC SSO
Audit logs
Support
Documentation and community
Email support
Priority support
SLA on critical issues
Commercial
EU company, EU governing law
GDPR DPA with Standard Contractual Clauses
Data processed in
EU data residency
Security questionnaire and architecture review
SOC 2 report
Volume discounts
Invoiced billing
3,000 emails a month, free, no credit card.
Weighing this against something else? See how we compare to agent inbox APIs, transactional senders, and Gmail.