Postfleet alternatives
24 email MCP servers from other publishers do the same job as Postfleet. The closest match comes first, then the best rated, with at most two per publisher.
IMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants
No reviews yetlocal · npm120970/wkFreeReal email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.
No reviews yetlocal · npm229182/wkFreeUnlimited agent mailboxes — create identities, read/wait for mail, extract OTPs, send email.
No reviews yetlocal · npm48285/wkFreeLocal email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP
No reviews yetlocal · npm6335/wkFreeMicrosoft 365 Outlook mail via Graph: read, search, send, reply, forward, draft, move, delete.
No reviews yetlocal · npm1482/wkFreeEmail inboxes for AI agents: create an address, wait for codes and links, send and reply in threads.
No reviews yetgateway-ready409/wkFreeUnofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP
No reviews yetlocal · npm6113/wkFreeEmail for AI agents: inboxes, send/reply/forward, search, threads, webhooks — 21 SentFromAI tools.
No reviews yetgateway-ready284/wkFreeDisposable email inboxes for AI agents: create an address, wait for the verification email.
No reviews yetgateway-ready3659/wkFreeAgent-Native Superhuman - email client with keyboard shortcuts and AI triage
No reviews yetgateway-ready7.0kFreeProgrammable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
No reviews yetgateway-ready267585/wkFreeEmail infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.
No reviews yetgateway-ready12582/wkFreeRead, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
No reviews yetlocal · npm7635/wkFreeNever-stored live email: read, send and triage Gmail, Outlook / Microsoft 365, or any IMAP mailbox.
No reviews yetgateway-ready1027/wkFreeEmail infrastructure for AI agents: send, read replies as threads, campaigns, per-key limits.
No reviews yetgateway-ready1600/wkFreeAllow AI systems to read, send, archive, and manage emails via Gmail.
No reviews yetlocal · npm11210/wkFreeSend transactional email, run campaigns, manage contacts and automations, audit deliverability.
No reviews yetgateway-ready1219/wkFreeMCP server for SendGrid's v3 API: email marketing, transactional mail, templates, and analytics.
No reviews yetlocal · npm4249/wkFreeSend email, look up public IP information, and convert files to Markdown through SendSoon.
No reviews yetlocal · mixed681/wkFreePush, email, SMS, in-app and journeys. 54 tools: reads and drafts; only test sends.
No reviews yetgateway-ready192/wkFreeAI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.
No reviews yetgateway-ready133/wkFreeSend email, look up public IP information, and convert files to Markdown through SendSoon.
No reviews yetlocal · npm630/wkFreeMulti-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.
No reviews yetlocal · npm793/wkFreeReceive-only temporary email addresses for AI agents: create an inbox, wait for an email, read it.
No reviews yetgateway-ready1454/wkFree
Postfleet alternatives by what you need
Open source Postfleet alternatives (20)
Published under an open licence such as MIT or Apache-2.0.
Imap, Agenticmail, Openagentemail, Agent Email, send0, Proton Mail (unofficial), Sentfrom, smails and 12 more below.
Hosted Postfleet alternatives (12)
Nothing to install: a remote endpoint you add by URL. Also callable through the mcp.market gateway.
send0, Sentfrom, smails, Agent-Native Mail, Atomic Mail, smbCloud Mail & Auth, MCPEmails, Sendraven and 4 more below.
Local Postfleet alternatives (12)
A package you install and run on your own machine, so your data stays on your computer.
Imap, Agenticmail, Openagentemail, Agent Email, Microsoft 365 Mail, Proton Mail (unofficial), Fluxmail, Gmail and 4 more below.
Safest Postfleet alternatives (12)
Graded A: passed every check the scanner runs on the latest release.
Imap, Agent Email, Microsoft 365 Mail, send0, Sentfrom, Agent-Native Mail, Atomic Mail, smbCloud Mail & Auth and 4 more below.
Postfleet and its alternatives compared
| Server | Grade | Rating | Licence | Runs | Stars |
|---|---|---|---|---|---|
| Postfleet(this one) | A98 | No reviews yet | MIT | Hosted | 0 |
| Imap | A92 | No reviews yet | MIT | Local | 120 |
| Agenticmail | B82 | No reviews yet | MIT | Local | 229 |
| Openagentemail | B74 | No reviews yet | Apache-2.0 | Local | 48 |
| Agent Email | A94 | No reviews yet | Apache-2.0 | Local | 6 |
| Microsoft 365 Mail | A94 | No reviews yet | NOASSERTION | Local | 14 |
| send0 | A89 | No reviews yet | AGPL-3.0 | Hosted | 0 |
| Proton Mail (unofficial) | B83 | No reviews yet | MIT | Local | 6 |
| Sentfrom | A98 | No reviews yet | MIT | Hosted | 0 |
| smails | B83 | No reviews yet | MIT | Hosted | 36 |
| Agent-Native Mail | A98 | No reviews yet | Not stated | Hosted | 7.0k |
| Atomic Mail | A93 | No reviews yet | MIT | Hosted | 267 |
| smbCloud Mail & Auth | A92 | No reviews yet | NOASSERTION | Hosted | 12 |
| Fluxmail | B82 | No reviews yet | NOASSERTION | Local | 7 |
| MCPEmails | A98 | No reviews yet | AGPL-3.0 | Hosted | 10 |
| Sendraven | B84 | No reviews yet | MIT | Hosted | 1 |
| Gmail | B83 | No reviews yet | MIT | Local | 11 |
| MisarMail MCP Server | A90 | No reviews yet | MIT | Hosted | 1 |
| SendGrid MCP Server | B83 | No reviews yet | ISC | Local | 4 |
| Sendsoon | B83 | No reviews yet | MIT | Local | 6 |
| Pushizo | A99 | No reviews yet | MIT | Hosted | 0 |
| Qmailing | A96 | No reviews yet | MIT | Hosted | 1 |
| AI | B83 | No reviews yet | MIT | Local | 6 |
| Mailbox | B83 | No reviews yet | MIT | Local | 7 |
| Tmailor temporary email | B80 | No reviews yet | MIT | Hosted | 1 |