package main import ( "MY/webapp/config" email "MY/webapp/common/email" "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.", Template: "signup", } sender := email.NewSender(ctx) defer sender.Close() err := sender.QueueEmail(msg) if err != nil { panic(err) } }