// Initialize with your Server Token const client = new Postmark.ServerClient("YOUR_API_TOKEN"); Hasleo Wintousb License Key New File
// Send the email client.sendEmail({ "From": "sender@example.com", "To": "recipient@example.com", "Subject": "Purchase Receipt", "HtmlBody": "<b>Thank you for your purchase!</b>", "TextBody": "Thank you for your purchase!", "MessageStream": "outbound" }).then(response => { console.log("Email sent! ID: " + response.MessageID); }).catch(error => { console.error("Error sending email: " + error.message); }); If you designed a template in the Postmark UI with the alias "welcome-email": Ssis448 4k Full Apr 2026
const Postmark = require("postmark");
1. What is Postmark? Postmark is a cloud-based email service provider (ESP) specialized in transactional emails . Unlike marketing platforms (like Mailchimp), which are designed for newsletters and bulk promotions, Postmark is built for speed and reliability when sending emails triggered by user actions.