"Latest Updates on macOS Compatibility with Electron" matching MCP connectors:

DNS and email security scanner with 76 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Free SPF, DKIM, DMARC, MX deliverability check with graded shareable reports, plus referral terms

AI-powered email outreach platform — manage contacts, campaigns, sequences, and send follow-ups with deliverability tracking

AI-powered email outreach platform — send campaigns with deliverability tracking.

PDF, photo, email, and file comparison evidence checks with plain-language reports.

Microsoft Exchange MCP server - hosted, multi-user, incl. Exchange on-prem & hybrid (EWS)

Verify email addresses in real time and find business email addresses with live mailbox checks.

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

Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).

Heldly reads your Google Calendar directly, places tentative holds on every host's calendar, and emails the invitee a one-click picker. The moment the invitee picks, Heldly confirms the chosen slot and deletes the siblings across every host's calendar in the same request. No reusable booking page, no in-app form, no calendar cleanup.

Create, edit, and delete email aliases and manage encrypted file shares directly from your chat. Protect your online privacy with anon.li - Privacy by default. Not by request.

Shared inbox and customer support platform for teams. Manage email conversations, assignments, labels, internal notes, contacts, and replies. 29 tools. Connect with your Helpmonks access token.

Receipt tracker with no friction: receipts arrive by email and file themselves

Privacy-first email inboxes for AI agents with MCP mail tools and Composio connect/execute.

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

Giggal.ai is an email verification tool that runs a deep mailbox existence check on every address and verifies catch-all/accept-all and even SEG protected emails. Your bounce rate stays under 5%, and the 30% of every B2B list that other tools flag as "Risky" becomes deliverable again.

Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus.

Read, send and organize email plus calendars on any IMAP/CalDAV mailbox: OVH, iCloud, Fastmail.

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

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