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SPECIFICTION
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Startup Mail

startupmail.dev

From $1/mo WebAPI
Visit startupmail.dev
Spec score 7.3 #26 of 30 in Shared Inbox Software

Spec sheet

What it does
Startup Mail provides custom-domain email for people, products, and AI agents through a web inbox, API, webhooks, and MCP.Read 11 Oct 2026 · startupmail.dev
Integrations
The product describes forwarding and secure reply relay with Gmail and Outlook.Read 11 Oct 2026 · startupmail.dev
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.Read 11 Oct 2026 · startupmail.dev
Support
The documentation lists [email protected] as the support contact.Read 11 Oct 2026 · startupmail.dev
Developer tools
Software can use scoped API keys, a TypeScript SDK, signed webhooks, and MCP to work with mailboxes.Read 11 Oct 2026 · startupmail.dev
Email authentication
Setup uses MX records to receive mail and DKIM, SPF, and DMARC records to authenticate sent mail.Read 11 Oct 2026 · startupmail.dev
Forwarding
Users can forward incoming mail to Gmail or Outlook and reply from their company address through a secure relay.Read 11 Oct 2026 · startupmail.dev
Forwarding limit
Forwarding does not synchronize IMAP folders, labels, or read state.Read 11 Oct 2026 · startupmail.dev
Inbox features
The web inbox supports composing, searching, starring, replying, attachments, and viewing delivery status.Read 11 Oct 2026 · startupmail.dev
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.Read 11 Oct 2026 · startupmail.dev
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.Read 11 Oct 2026 · startupmail.dev
Team access
Mailboxes can be private or shared, with explicit access for teammates on each mailbox.Read 11 Oct 2026 · startupmail.dev
Usage limits
The included plan allows 1,000 email events per month, and higher-capacity billing is not yet available through self-service.Read 11 Oct 2026 · startupmail.dev
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.Read 11 Oct 2026 · startupmail.dev

Plans and prices

All email features $1 a month $12 billed once a year 1,000 monthly email events · higher-capacity self-service plans not available yet Read 11 Oct 2026 · startupmail.dev

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Where Specifiction places it

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