go-web-starter-kit/tools/cmd/qmgr/main.go

package main

import (
  "MY/webapp/config"
  email "MY/webapp/common/email"
  "fmt"
  "context"
)

func main() {
  config.Load("config.json")

  ctx := context.Background()

  msg := email.EmailMessage{
    To: "tina.recip@example.com",
    From: "toni.sender@example.com",
    Subject: "This is my first mail.",
    Text: fmt.Sprintf("Random number %v", 200),
    HTML: fmt.Sprintf("<h1>Random number %v</h1>", 200),
  }

  sender := email.NewSender(ctx)
  defer sender.Close()

  err := sender.QueueEmail(msg)
  if err != nil { panic(err) }
}