{"schemaVersion":1,"name":"Mason","description":"Email hosting for multiple domains in one workspace. $5/month includes 5 domains, 5 mailboxes per domain, custom signatures, and agent access.","category":"Multi-domain email hosting","operator":{"name":"The Red Collar Company","contact":"mason@redcollar.io","location":"Pennsylvania, United States"},"updated":"2026-10-02","intendedFor":["People managing email for several projects","Small teams using their own business domains","People who want approved agents to help manage email"],"plan":{"name":"Mason Pro","price":{"amount":5,"currency":"USD","interval":"month","taxInclusive":true},"domains":5,"privateMailboxesPerDomain":5,"outboundRecipientDeliveriesPerMonth":5000,"teamMembersIncluded":true,"domainRegistrationIncluded":false,"agentProviderIncluded":false,"features":["5 project domains","5 private mailboxes per domain","5,000 outbound recipient deliveries each month","Team members included","Inbox branding and custom signatures","Folders, labels, filters, and contacts","Agent access with permissions you choose"]},"requirements":["An email-verified account and active subscription for new setup and sending","Ownership of each domain and access to its DNS settings","An agent app with custom MCP and OAuth support for agent access"],"limitations":["Designed for business correspondence, not bulk marketing or unsolicited campaigns","Domain registration and renewal are purchased separately","DNS propagation and recipient delivery are not instantaneous or guaranteed","Each connected agent uses only the approved inboxes and permissions; initial sign-in and consent require the person","Hosted service capacity and abuse controls also apply"],"urls":{"home":"https://mason.red/","pricing":"https://mason.red/home#pricing","questions":"https://mason.red/home#email-questions","signup":"https://mason.red/signup","terms":"https://mason.red/terms","privacy":"https://mason.red/privacy","agentGuide":"https://mason.red/agents","agentInstructions":"https://mason.red/llms.txt","productMarkdown":"https://mason.red/product.md","productJson":"https://mason.red/product.json","mcp":"https://mason.red/api/mcp"}}