email

Overview

The email node sends emails via SMTP. Perfect for sending alerts, reports, and notifications from your edge devices. Supports HTML emails, attachments, and multiple recipients.

Properties

Inputs & Outputs

{
  "to": "user@example.com",
  "subject": "Alert: Temperature High",
  "text": "Plain text body",
  "html": "<h1>HTML body</h1>",
  "attachments": [
    {
      "filename": "data.csv",
      "content": buffer_or_string
    }
  ]
}

{
  "payload": {
    "accepted": ["user@example.com"],
    "rejected": [],
    "messageId": "<abc123@mail>",
    "response": "250 OK"
  }
}

Example: Temperature Alert Email

Send an email when temperature exceeds threshold.

// Function node: Create email alert
var temp = msg.payload.temperature;
var device = msg.payload.deviceId;

msg.to = "ops@company.com";
msg.subject = "🔥 Temperature Alert - " + device;

msg.html = `
<div style="font-family: Arial, sans-serif;">
  <h2 style="color: #ef4444;">High Temperature Warning</h2>
  <p>Device <strong>${device}</strong> reported:</p>
  <p style="font-size: 32px; color: #f97316;">${temp}°C</p>
  <p>Time: ${new Date().toISOString()}</p>
  <hr>
  <p style="color: #666;">Automated alert from EdgeFlow</p>
</div>
`;

return msg;

Common SMTP Providers