Radmail alternatives

1

Agent-Native Mail

by BuilderIO

A

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

2

Atomic Mail

by Atomic-Mail

A

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

3

Email Inbox API + Sending by Sendmux

by Sendmux

A

AI email inbox and sending tools with attachments, search, live events, and webhooks.

4

MCP Emails

by mcpemails.com

A

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

5

smbCloud Mail & Auth

by smbcloudXYZ

A

Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.

6

Mailwarden

by csitte

A

Gmail MCP server for email triage: search, labels, archive, trash, unsubscribe, snooze.

7

Anima

by anima-labs-ai

B

Give your AI agent an identity it owns: email inbox, US phone number, SMS, voice, and a vault.

8

SendSeven Messaging

by sendseven.com

A

Unified messaging MCP server: WhatsApp, Instagram, Telegram, SMS, Messenger & email support inbox

9

Agent Inbox

by clize.ai

A

A real email inbox for AI agents: human-approved sends, untrusted-by-default inbound.

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

11

emailmd

by emailmd.dev

A

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

12

OpenOSINT

by OpenOSINT

C

AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.

13

Local

by local-mcp.com

C

Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.

14

three.ws Notifications

by nirholas

B

Read the inbox, mark items read, manage delivery preferences, and register Web Push devices.

15

Outlook Assistant

by littlebearapps

A

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

16

Clippy

by neilberkman

A

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

17

Emailens MCP

by emailens

A

Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.

18

Impreza Host

by imprezahost

B

No-KYC offshore hosting an AI agent runs end-to-end: no-email signup, crypto, VPS, deploy, Tor.

19

MCP

by dechonet.com

A

20 domain recon tools for AI agents: DNS, SSL, headers, email, subdomains, lookalikes, changes.

20

MCP

by sendraven.ai

B

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

21

Fluxmail

by churichard

B

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

22

Shipmail

by shipmail-to

A

Shipmail MCP server for AI agent custom-domain email inboxes with REST API and webhooks.

23

IntoDNS.ai DNS & Email Security Scanner

by intodns.ai

B

DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.

24

ContrastAPI

by contrastcyber.com

B

55 tools, 7 Resources, Sigma rules, email SPF/DMARC, MITRE, CVE/KEV, risk_score. No key.