package main import ( "bytes" "log" "net/smtp" ) func sendEmail(username, message string) { c, err := smtp.Dial("127.0.0.1:25") if err != nil { log.Fatal(err) } defer c.Close() // Set the sender and recipient. c.Mail("info@wo-bisch.ch") c.Rcpt(username) // Send the email body. wc, err := c.Data() if err != nil { log.Fatal(err) } defer wc.Close() mail_message := "To: " + username + ` Subject: ` + message + ` Lieber Benutzer von wo-bisch.ch ` + message + ` -- wo-bisch.ch` buf := bytes.NewBufferString(mail_message) if _, err = buf.WriteTo(wc); err != nil { log.Fatal(err) } }