SMTP alternatives

1

Shaka

by shaka.rw

B

Company email for Rwanda. Read and send mail from a Shaka mailbox over OAuth or an API key.

2

Fluxmail

by churichard

B

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

3

Agent Email

by UseJunior

A

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

4

MCP

by openagentemail

B

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

5

Lettio MCP

by lettio.eu

A

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

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

7

Mailtea

by mailtea.app

A

Send email and newsletters with Mailtea over MCP, plus skills for email and website design.

8

Mailbox

by psyb0t

A

Self-hosted MCP server for unified IMAP/SMTP mailbox access: read, list, and send email.

9

IMAP MCP Pro

by Temple-of-Epiphany

A

Production IMAP & SMTP for Claude: multi-account email search, triage, send, and spam checks.

10

Agent-Native Mail

by BuilderIO

A

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

11

Atomic Mail

by Atomic-Mail

A

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

12

MCP Emails

by mcpemails.com

A

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

13

Outlook

by rlrghb

A

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

14

MCP

by sendraven.ai

B

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

15

MX Probe

by mxprobe.dev

B

Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API.

16

Ray notifications

by gege-mn

A

Send email, push, Slack, Discord, Telegram and webhook notifications and manage templates with Ray.

17

EmptyInbox

by cnohall

B

Zero-config disposable email inboxes for AI agents: create, read mail, await verify codes.

18

Outlook MCP

by mpalermiti

A

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

19

Email

by wraps.dev

A

Query SES send history, delivery events, domains and suppressions, and send from your AWS account.

20

Mailchimp

by cyanheads

A

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

21

PipesHub

by pipeshub-ai

C

Permissioned search and cited answers over Slack, Drive, Gmail, Jira, and 50+ workplace sources.

22

Ecc

by karljsamuel

B

Unified MCP server for Email, Calendar & Contacts (Google, M365, Zoho, IMAP/SMTP, DAV).

23

nintact

by nintact.com

B

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

Disposable email inboxes for AI agents: create, wait for mail, extract verification codes