Email MCP Servers for HTTP / API

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

MailSenpai: lists, campaigns, DNS & spam checks (74 tools, OAuth, EU). SMTP Senpai: SMTP & API.

MCP server for MailTempo's public free temporary email inboxes.

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

Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions.

Your IMAP mailbox as an MCP server: read, search and (if you allow it) organize mail. Open source.

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

Send transactional emails for AI agents via SMTP. Templates included.

MIME boundary count, body discarded

Gmail, Outlook, Hotmail, iCloud and Fastmail mailboxes - several at once, one search across all.

namailu.cz gives your AI agent its own email inbox: read and send mail over MCP, with OAuth.

MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.

Email deliverability monitoring and sending: bounces, complaints, suppression, campaigns.

Email validation for Claude and any MCP client — verdicts with evidence and bulk jobs.

Emailable MCP — wraps the Emailable email verification API (emailable.com)

Postmark MCP.

Give AI agents secure access to your email via private aliases with dedicated mailbox storage.

Remote MCP server bridging AI clients with the PowerDMARC email authentication Platform.

Prepaid email-verify credits for MCP agents via Stripe Link.

Q-encoding charset, input discarded

Email OS for agents: triage, search, and a verifiable BEC hard-stop. Zero-auth sandbox.