Compare email
MepMail vs OpenMail
Two email tools for AI agents, side by side. Facts come from each tool's own site.
MepMail
mepmail.devEmail for apps and AI agents: a Resend-compatible sending API with SMTP, plus mailboxes on your own domain that agents read and draft in over MCP, where you choose direct sending or approval for each reply. AGPL open source and self-hostable.
Visit MepMail
OpenMail
openmail.shEmail API that gives each AI agent its own inbox and address, with inbound mail delivered as structured data, automatic threading, webhooks, a CLI and a hosted MCP server, and EU data residency on every plan.
Visit OpenMail| MepMail | OpenMail | |
|---|---|---|
| What it does | Email for apps and AI agents: a Resend-compatible sending API with SMTP, plus mailboxes on your own domain that agents read and draft in over MCP, where you choose direct sending or approval for each reply. AGPL open source and self-hostable. | Email API that gives each AI agent its own inbox and address, with inbound mail delivered as structured data, automatic threading, webhooks, a CLI and a hosted MCP server, and EU data residency on every plan. |
| In their words | MepMail: email API and mailboxes for apps and agents | The email inbox built for AI agents |
| Open source | Yes | No |
| Website | mepmail.dev | openmail.sh |
| Link checked | 2026-10-27 | 2026-11-10 |
More options:Alternatives to MepMailAlternatives to OpenMailGuide: Best email APIs for AI agents
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