Email MCP Servers for DeepSeek Harness

Your agent's own email address: read, search, send, reply, draft and wait for mail.

Email list check: syntax, domain, MX records, disposable/role addresses (DNS level). Winters Works.

Read Buttondown subscribers, emails, analytics and automations; add subscribers; write email drafts.

Draft email campaigns in day3 from Claude Code, Cursor or VS Code as editable composer blocks.

Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers.

Email inboxes for AI agents: send, wait for mail, reply in thread, forward and label.

Verify email addresses with Emailable one by one or in batches, and read credits and batch results.

Check emails before you send, and get a $1 SPF/DKIM/DMARC fix plan for your domain. Pay per call.

Email inboxes for AI agents: send, reply, read verification codes, human-approved drafts.

Email for AI agents: send, receive with a safety verdict, reply and approve, as MCP tools.

Cold email compliance check for outreach agents: GDPR, PECR, CAN-SPAM, CASL verdict, signed receipt.

Read rapidmail lists, recipients, mailings and stats; add, update or unsubscribe one recipient.

Validates email syntax, disposable/burner provider status, role accounts, and live DNS records.

Professional email, calendar, contacts and files on your own domain.