MCP server for email deliverability: validate SPF/DKIM/DMARC/BIMI, check blacklists, test SMTP/IMAP, look up DNS, and generate ready-to-deploy records for any major email provider. Ships with two one-click prompts (audit-deliverability, setup-dns). Public, no auth.
Server Config
{
"mcpServers": {
"mailx": {
"type": "http",
"url": "https://themailx.com/mcp"
}
}
}