email = Email(
    host="smtp.example.com",
    username="smtp-user",
    password="smtp-pass",
    from="Relay <noreply@example.com>"
)

fn send_welcome(name, to)
    html = email.render(
        "<h1>Welcome {{ name }}</h1><p>Your account is ready.</p>",
        {"name": name}
    )

    return email.send(
        to=to,
        subject="Welcome to Relay",
        text="Welcome " + name + "!",
        html=html
    )

result = send_welcome("Ada", "ada@example.com")
print("SMTP send result:", result)