Top 5

The Top 5 lists

Ranked shortlists for one question at a time. Every pick is researched against vendor documentation and published with the scoring we used, so you can disagree with the criteria rather than guess at them.

Top 5

Top Five AI Agentic Email Hosts

Five email hosts an AI agent can actually operate - ranked on whether they ship a first-party MCP server or an open API your harness can drive, not on whether they bolted a chatbot into the inbox.

  • Fastmail
  • Zoho Mail
  • Google Workspace (Gmail)
  • Infomaniak kSuite
  • Microsoft 365 (Outlook)