e2a — email for AI agents alternatives

1

e2a — email for AI agents

by e2a.dev

A

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

2

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.

3

Palisade

by palisade.email

A

Monitor and manage email authentication (SPF, DKIM, DMARC, MTA-STS, BIMI) for your domains.

4

MCP

by sendraven.ai

B

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

5

Shipmail

by shipmail-to

A

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

6

ContrastAPI

by contrastcyber.com

B

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

7

EmptyInbox

by cnohall

B

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

8

BlackVeil DNS & Email Security Scanner

by blackveilsecurity.com

B

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

9

Palmyr

by palmyr.ai

B

Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.

10

nintact

by nintact.com

B

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

11

Mailbuttons (mbag.ai)

by mailbuttons.com

A

Governed email for AI agents (Mailbuttons / mbag.ai): sandbox inboxes, policy gate, audit log.

12

Samva MCP

by samva.dev

A

Authenticated Samva email tools, including public documentation and template discovery.

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

14

MCP Server

by multimail.dev

A

Give your agent its own email address with graduated human oversight, from approval to autonomy.

15

emailmd

by emailmd.dev

A

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

16

OpenOSINT

by OpenOSINT

C

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

17

Agent-Native Mail

by BuilderIO

A

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

18

Atomic Mail

by Atomic-Mail

A

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

19

Email Inbox API + Sending by Sendmux

by Sendmux

A

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

20

Local MCP

by local-mcp.com

C

Mac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files. Free.

21

Email

by codefuturist

B

IMAP/SMTP email MCP server — 52 tools, stdio + HTTP, IMAP IDLE push, multi-account, AI triage.

22

OpenOSINT

by SonoTommy

C

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

23

Imap

by nikolausm

A

IMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants

24

Outlook Assistant

by littlebearapps

A

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