"Email clients and services for sending, reading and managing emails outside of Gmail" matching MCP servers:

atdata-email-verification-mcp-server

Enables checking email addresses through the Email Social Media Checker API to verify and validate email information.

Production-ready MCP server enabling AI assistants to interact with Braze's customer engagement platform, offering 92 tools for user management, messaging, campaigns, analytics, email/SMS, catalogs, and SCIM provisioning.

Enables Claude Desktop to answer natural-language questions about customers by exposing search, profile, order history, status filter, and spend statistics tools backed by local mock data, with a single-file swap path to Oracle AI Agent Studio later.

Generate hyper-personalized cold email sequences per lead via AI. List campaigns, generate emails for individual leads or batches, and export results as CSV or JSON.

Enables AI agents to interact with Salesforce CRM data by executing SOQL queries and managing records. It provides tools for object metadata discovery and record operations, specifically optimized for Heroku deployment.

Enables AI assistants to interact with HubSpot CRM for managing contacts, companies, deals, and sending emails through natural language commands.

Unified MCP server combining Hunter.io email finding with Apollo company intelligence for B2B lead enrichment.

MCP server for managing Yandex Audiences (segments, pixels, lookalikes) from AI clients via natural language.

Enables AI assistants to enrich contacts and build audiences via the YourICP API. Provides tools to set an API token, submit contact lookups by email or LinkedIn URL, and poll for enrichment results.

Enables AI agents to perform comprehensive person and company lookups by integrating directly with the Lusha API for business contact enrichment. It provides tools for bulk contact identification via LinkedIn URLs, emails, or names, alongside detailed company information retrieval.

LeadFuze MCP Server for contact/company enrichment from email or LinkedIn URL plus email validation. Hosted MCP endpoint: https://mcp.leadfuze.com/mcp (API key required).

Enables natural language interaction with HawkSoft insurance agency management data, including reading clients, policies, and claims, and writing log notes, attachments, and receipts.

Lead generation MCP server for AI agents. Find emails, verify contacts, enrich profiles, and search prospects using Hunter.io, Apollo.io, and Abstract API.

Read-only MCP server for ISPKeeper ISP management software, enabling querying of clients, invoices, collections, internet connections, support tickets, network status, and FTTx infrastructure through MCP-compatible clients.

An agent-optimized MCP server for Kit.com (formerly ConvertKit) that enables full management of email marketing campaigns, subscribers, and broadcasts. It provides 13 composite tools covering the entire Kit V4 API with built-in rate limiting and formatted responses for efficient AI interaction.

An MCP server that provides an interface to the Copper CRM API for managing contacts, companies, activities, and opportunities. It enables users to search for people, log meetings or notes, and track sales deals directly through MCP-compatible clients.

Enables sales intelligence and outreach automation through Apollo.io's 275M+ contact database. Supports prospecting, contact enrichment, email sequences, workflow automation, and pipeline management.

Enterprise-grade administration of the WhatSMS platform via MCP, providing 25 specialized tools for managing users, roles, packages, subscriptions, transactions, vouchers, API keys, and system operations.

Provides access to Instantly API v2 for email campaign and lead management functionality.