Email Deliverability 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

MCP

by dechonet.com

A

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

3

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.

4

ContrastAPI

by contrastcyber.com

B

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

5

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.

6

Mailkite

by mailkite.dev

A

Send email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite

7

Palisade

by palisade.email

A

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

8

Domani

by domani.run

A

Internet identity for AI agents: register or broker domains, email, DNS - pay by card or USDC.

9

Resend Email MCP

by helbertparanhos

B

Complete Resend email MCP: full API coverage + debug layer (deliverability, DNS, bounces).

10

emailmd

by emailmd.dev

A

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

11

OpenOSINT

by OpenOSINT

C

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

12

Emailens MCP

by emailens

A

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

13

Shipmail

by shipmail-to

A

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

14

MisarMail MCP Server

by Misar-AI

A

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

15

smbCloud Mail & Auth

by smbcloudXYZ

A

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

16

MCP Server

by qmailing.com

A

AI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.

17

Monacloud

by monacloud.vn

B

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

18

Apixies Developer API Suite

by apixies.io

B

50 developer utility APIs as tools: SSL, DNS, WHOIS, email checks, HTML to PDF, sitemaps and more.

19

Palmyr

by palmyr.ai

B

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

20

Cloudflare MCP Pro

by helbertparanhos

B

Cloudflare MCP: DNS, Zones, Workers, KV, R2, D1, Pages, WAF, SSL, Email, AI via REST API v4

21

nintact

by nintact.com

B

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

22

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.

24

Whoisxmlapi

by whois-api-llc

B

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