
Shipmail
Business email hosting with an API for agents: custom-domain mailboxes agents can send from and read, webhooks, TypeScript and Python SDKs, a CLI and an MCP server.
Pricing as listed on the vendor site on Oct 20, 2026: free tier N/A: the Free dashboard plan has 0 mailboxes and 0 sends; paid plans start with a 14-day free trial, card required; paid from $4 per month (Solo), 2 mailboxes, 20,000 sends per month.