smtp2webhook/config.starttls.example.json at main · samuelba/smtp2webhook · GitHub

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{
  "_comment": "Example: STARTTLS Mode (Opportunistic TLS)",
  "_comment_description": "Connection starts as plaintext, then upgrades to TLS when client issues STARTTLS command",

  "server": {
    "port": 587,
    "_comment_port": "Port 587 is the standard submission port with STARTTLS",

    "hostname": "smtp.example.com",
    "security_mode": "starttls",
    "_comment_security_mode": "Server offers STARTTLS command to upgrade plaintext connection to encrypted",

    "tls_cert_path": "/etc/smtp-forwarder/certs/server.crt",
    "tls_key_path": "/etc/smtp-forwarder/certs/server.key",

    "max_email_size": 10485760,
    "max_concurrent_connections": 50,
    "read_timeout": 60,
    "write_timeout": 60
  },

  "auth": {
    "enabled": true,
    "_comment": "Authentication strongly recommended with STARTTLS",
    "credentials": [
      {
        "username": "mail_user",
        "password": "mail_password_123"
      }
    ]
  },

  "routes": [
    {
      "pattern": "admin@example.com",
      "webhook": {
        "url": "https://api.example.com/webhooks/admin",
        "secret": "whsec_admin_secret",
        "timeout": 30
      }
    },
    {
      "pattern": "*@example.com",
      "webhook": {
        "url": "https://api.example.com/webhooks/all",
        "timeout": 30
      }
    }
  ],

  "defaults": {
    "webhook": {
      "url": "https://api.example.com/webhooks/default",
      "timeout": 30
    }
  }
}