Mimecast alternatives

1

Abnormal Security MCP

by Servosity

B

Abnormal Security email threats, cases, and reporting in your terminal and your AI agents.

2

Domain Security

by OrtaMarco

A

Audit a domain's email and web security: SPF, DKIM, DMARC, MTA-STS, DNSSEC, TLS, WHOIS. No API keys.

3

MCP

by dechonet.com

A

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

4

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.

5

Monacloud

by monacloud.vn

B

Buy .vn/intl domains in VND, deploy apps, Postgres, email, VietQR pay — Vietnam MCP for AI agents

6

Email

by wraps.dev

A

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

7

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.

8

Palisade

by palisade.email

A

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

9

Netintel

by kjgueye

B

MCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments

Email infrastructure for AI agents: send, authenticate domains, track delivery, diagnose issues.

11

Whoisxmlapi

by whois-api-llc

B

32 WHOIS, DNS, IP, threat intelligence, email, and bulk tools for AI agents via WhoisXML API.

12

Hunter MCP

by scalably.io

B

Hunter.io MCP: domain search, email finder and verifier, enrichment, discovery, leads. 11 tools.

13

AgentiSend

by fortuneflick

A

Transactional email API for AI agents: verified domains, a per-sender budget, and a kill switch.

14

MailMask

by mailmask.studio

A

Email for agents: domains, aliases, IMAP mailboxes, DNS, sending and webhooks via one API key.

Email-domain intelligence: MX capability, provider, disposable status, SPF, DMARC, and MTA-STS.

16

Snov

by pipeworx-io

B

Snov.io MCP — B2B email finder + contact enrichment + domain search (snov.io)

17

Sendhustle

by Achlesha

C

Send and manage email via the SendHustle API — emails, domains, contacts, audiences, campaigns.

18

Bottled

by bottled.email

B

Branded email on your own domain: send, reply, search, aliases, contacts and campaigns.

19

LifeStep Workbook, Email, QR and DNS Tools

by lifestep.io

C

Inspect XLSX/XLSM workbooks, validate email, generate SVG QR codes, and look up domain DNS and TLS.

20

OpenOSINT

by OpenOSINT

C

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

21

Agent-Native Mail

by BuilderIO

A

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

22

Atomic Mail

by Atomic-Mail

A

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

23

Email Inbox API + Sending by Sendmux

by Sendmux

A

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

24

Local

by local-mcp.com

C

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