Email Inbox API + Sending by Sendmux alternatives
24 email MCP servers from other publishers do the same job as Email Inbox API + Sending by Sendmux. The closest match comes first, then the best rated, with at most two per publisher.
Search Gmail and Outlook, save drafts, manage email rules, and view email stats.
No reviews yetgateway-ready12kFreeProgrammable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
No reviews yetgateway-ready267585/wkFreeReal email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.
No reviews yetlocal · npm229182/wkFreeEmail infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.
No reviews yetgateway-ready12582/wkFreeNever-stored live email: read, send and triage Gmail, Outlook / Microsoft 365, or any IMAP mailbox.
No reviews yetgateway-ready1027/wkFreePrivacy-focused email: domains, DNS verification, aliases, SMTP sending, mailboxes and calendars.
No reviews yetlocal · npm2278/wkFreeAI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.
No reviews yetgateway-ready133/wkFreeReceive-only temporary email addresses for AI agents: create an inbox, wait for an email, read it.
No reviews yetgateway-ready1454/wkFreeEmail OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.
No reviews yetgateway-ready91/wkFreeFree disposable email for AI agents: a throwaway inbox to read verification codes over MCP.
No reviews yetlocal · npm3659/wkFreeSend email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite
No reviews yetgateway-ready51/wkFreeLocal MCP tools for server-readable agent inboxes and sending to owner-approved recipients.
No reviews yetlocal · npm271/wkFreeSend email, push, Slack, Discord, Telegram and webhook notifications and manage templates with Ray.
No reviews yetgateway-ready26/wkFreeEmail inboxes for AI agents: addresses, threads, sending and replies.
No reviews yetgateway-ready15/wkFreeA real email inbox for AI agents: human-approved sends, untrusted-by-default inbound.
No reviews yetlocal · npm175/wkFreeGoverned email for AI agents: a sandbox inbox to read and send from, human approval to go external.
No reviews yetgateway-ready135/wkFreeEmail MCP server for AI agents: IMAP/SMTP, Gmail, Outlook, calendar, ManageSieve, AI triage, OAuth2.
5.0(1)local · npm1.3k/wkFreeRender markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
No reviews yetgateway-ready1.4k4.6k/wkFreeAI-powered OSINT agent & MCP server. 21 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
No reviews yetlocal · pypi1.8k886/wkFreeAgent-Native Superhuman - email client with keyboard shortcuts and AI triage
No reviews yetgateway-ready7.0kFreeMac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files.
No reviews yetgateway-ready712.0k/wkFreeAuthenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.
No reviews yetgateway-ready19130/wkFreeRead the inbox, mark items read, manage delivery preferences, and register Web Push devices.
No reviews yetlocal · npm26585/wkFreeIMAP/SMTP email MCP server — 52 tools, stdio + HTTP, IMAP IDLE push, multi-account, AI triage.
No reviews yetlocal · npm1171.2k/wkFree
Email Inbox API + Sending by Sendmux alternatives by what you need
Open source Email Inbox API + Sending by Sendmux alternatives (19)
Published under an open licence such as MIT or Apache-2.0.
Atomic Mail, Agenticmail, MCPEmails, Qmailing, Tmailor temporary email, Radmail, smails, Mailkite and 11 more below.
Hosted Email Inbox API + Sending by Sendmux alternatives (15)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
Inbox Zero, Atomic Mail, smbCloud Mail & Auth, MCPEmails, Qmailing, Tmailor temporary email, Radmail, Mailkite and 7 more below.
Local Email Inbox API + Sending by Sendmux alternatives (9)
A package you install and run on your own machine, so your data stays on your computer.
Agenticmail, Forward Email, smails, Voidmail Agent Email, Agent Inbox, Mailoo - Email MCP Server, OpenOSINT, three.ws Notifications and 1 more below.
Safest Email Inbox API + Sending by Sendmux alternatives (17)
Graded A: passed every check the scanner runs on the latest release.
Inbox Zero, Atomic Mail, smbCloud Mail & Auth, MCPEmails, Forward Email, Qmailing, Radmail, Mailkite and 9 more below.
Email Inbox API + Sending by Sendmux and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Email Inbox API + Sending by Sendmux(this one) | A96 | No reviews yet | MIT | Hosted | 65 |
| Inbox Zero | A97 | No reviews yet | NOASSERTION | Hosted | 12k |
| Atomic Mail | A93 | No reviews yet | MIT | Hosted | 267 |
| Agenticmail | B82 | No reviews yet | MIT | Local | 229 |
| smbCloud Mail & Auth | A92 | No reviews yet | NOASSERTION | Hosted | 12 |
| MCPEmails | A98 | No reviews yet | AGPL-3.0 | Hosted | 10 |
| Forward Email | A86 | No reviews yet | NOASSERTION | Local | 2 |
| Qmailing | A96 | No reviews yet | MIT | Hosted | 1 |
| Tmailor temporary email | B80 | No reviews yet | MIT | Hosted | 1 |
| Radmail | A93 | No reviews yet | MIT | Hosted | 0 |
| smails | B83 | No reviews yet | MIT | Local | 36 |
| Mailkite | A99 | No reviews yet | MIT | Hosted | 0 |
| Voidmail Agent Email | A91 | No reviews yet | MIT | Local | 0 |
| Ray notifications | A90 | No reviews yet | MIT | Hosted | 0 |
| Pidgeon | A91 | No reviews yet | MIT | Hosted | 0 |
| Agent Inbox | A91 | No reviews yet | MIT | Local | 0 |
| Mailbuttons | A88 | No reviews yet | MIT | Hosted | 1 |
| Mailoo - Email MCP Server | A85 | 5.0 (1) | LGPL-3.0 | Local | 0 |
| emailmd | A93 | No reviews yet | MIT | Hosted | 1.4k |
| OpenOSINT | C63 | No reviews yet | MIT | Local | 1.8k |
| Agent-Native Mail | A98 | No reviews yet | Not stated | Hosted | 7.0k |
| LMCP | B72 | No reviews yet | NOASSERTION | Hosted | 71 |
| e2a — email for AI agents | A96 | No reviews yet | Apache-2.0 | Hosted | 191 |
| three.ws Notifications | B83 | No reviews yet | Apache-2.0 | Local | 265 |
| B74 | No reviews yet | LGPL-3.0 | Local | 117 |