"Overview of Proxmox Virtualization Platform" matching MCP connectors:

Open-source MCP server that gives AI agents access to real email and calendar in one npm install. Solves the problem of AI agents hitting a wall when they need your inbox.

Your AI agent just got a marketing team. SendPulse MCP Server provides full access to the SendPulse marketing platform — email campaigns, CRM, chatbots, SMTP, and online courses. 134 methods across 5 modules.

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.

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

Full email marketing platform: inbox, campaigns, contacts, templates, and analytics via MCP.