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Startup Mail

Plans and prices

All email features

$1a month, billed yearly

1,000 monthly email events · higher-capacity self-service plans not available yet

Every plan, in full

On the record

Developer tools
Software can use scoped API keys, a TypeScript SDK, signed webhooks, and MCP to work with mailboxes.startupmail.dev · read 11 Oct 2026
Email authentication
Setup uses MX records to receive mail and DKIM, SPF, and DMARC records to authenticate sent mail.startupmail.dev · read 11 Oct 2026
Forwarding
Users can forward incoming mail to Gmail or Outlook and reply from their company address through a secure relay.startupmail.dev · read 11 Oct 2026
Forwarding limit
Forwarding does not synchronize IMAP folders, labels, or read state.startupmail.dev · read 11 Oct 2026
Inbox features
The web inbox supports composing, searching, starring, replying, attachments, and viewing delivery status.startupmail.dev · read 11 Oct 2026
Integrations
The product describes forwarding and secure reply relay with Gmail and Outlook.startupmail.dev · read 11 Oct 2026
Product limits
The product does not include calendars, documents, meetings, chat, storage, or device management, and does not provide IMAP, POP, Exchange, or general SMTP accounts.startupmail.dev · read 11 Oct 2026
Security
The maker says API, webhook, and MCP access use granted mailbox permissions, and describes tenant and private-mailbox access as remaining in scope for customer-data queries.startupmail.dev · read 11 Oct 2026
Sending policy
Startup Mail is for requested person-to-person and transactional email; newsletters, promotions, cold outreach, purchased lists, and scraped contacts are not allowed.startupmail.dev · read 11 Oct 2026
Support
The documentation lists [email protected] as the support contact.startupmail.dev · read 11 Oct 2026
Team access
Mailboxes can be private or shared, with explicit access for teammates on each mailbox.startupmail.dev · read 11 Oct 2026
Usage limits
The included plan allows 1,000 email events per month, and higher-capacity billing is not yet available through self-service.startupmail.dev · read 11 Oct 2026
What it does
Startup Mail provides custom-domain email for people, products, and AI agents through a web inbox, API, webhooks, and MCP.startupmail.dev · read 11 Oct 2026
Who it is for
The maker describes the service as built for small companies, products, and AI agents that need email on their own domain without a full office suite.startupmail.dev · read 11 Oct 2026

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