Microsoft 365 Mail alternatives

1

Fluxmail

by churichard

B

Read, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.

2

Agent Email

by UseJunior

A

Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP

3

Outlook MCP

by mpalermiti

A

Microsoft Outlook personal accounts: mail, calendar, contacts, to-do, drafts (62 tools).

4

Postfleet

by postfleet.ai

A

Give an AI agent its own email address: send, reply, read, and wait for mail.

5

Iris

by SuperAngryMonkey

A

Microsoft 365 mail MCP: drafts into Outlook; sending off by default, opt-in via IRIS_ENABLE_SEND.

Outlook mail and OneDrive files via Microsoft Graph — read, search, send and organize.

7

Outlook Assistant

by littlebearapps

A

Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.

8

Outlook

by rlrghb

A

Outlook & OneDrive MCP: personal & enterprise tools for mail, calendar, contacts, tasks, files

9

Mailchimp

by cyanheads

A

Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports.

10

MCP

by openagentemail

B

Unlimited agent mailboxes — create identities, read/wait for mail, extract OTPs, send email.

11

nintact

by nintact.com

B

Contact forms that actually arrive. No SPF/DKIM, no SMTP. AI sorts them and drafts the reply.

12

Lettio MCP

by lettio.eu

A

Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.

13

SMTP

by ni-c

B

MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation

14

Gmail MCP

by A1-x-Tech

B

MCP server for the Gmail API: search, read and send email, manage drafts, labels and the trash.

15

MailFlat

by MailFlat

B

Real email inboxes for AI agents: open an address, read the one-time code, send mail.

Send, receive, monitor and reply to email from AI agents with threaded inbox context.

17

emailmd

by emailmd.dev

A

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

18

Agent-Native Mail

by BuilderIO

A

Agent-Native Superhuman - email client with keyboard shortcuts and AI triage

19

Atomic Mail

by Atomic-Mail

A

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

20

Clippy

by neilberkman

A

Copy AI-generated content to the macOS clipboard: rich Gmail-ready email drafts, text, and files

21

MCP Emails

by mcpemails.com

A

Never-stored live email: read, send, organize, schedule and auto-triage Gmail or any IMAP mailbox.

22

MCP

by sendraven.ai

B

Email infrastructure for AI agents: send, read replies as threads, campaigns, per-key limits.

23

MisarMail MCP Server

by Misar-AI

A

Send transactional email, run campaigns, manage contacts and automations, audit deliverability.

24

Outlook

by mcp-z

C

Outlook integration with OAuth, message search, batch operations, and calendar management