Simplify test-smtp cmd using smtpx package

cmd/test-smtp/main.go

@@ -1,15 +1,13 @@
 package main
 
 import (
-	"net/url"
-	"strconv"
-
 	"github.com/nyaruka/ezconf"
+	"github.com/nyaruka/goflow/utils/smtpx"
+
 	"github.com/sirupsen/logrus"
-	"gopkg.in/mail.v2"
 )
 
-type Config struct {
+type config struct {
 	URL     string `help:"the SMTP formatted URL to use to test sending"`
 	To      string `help:"the email address to send to"`
 	Subject string `help:"the email subject to send"`
@@ -18,7 +16,7 @@ type Config struct {
 
 func main() {
 	// get our smtp server config
-	options := &Config{
+	options := &config{
 		URL:     "smtp://foo%40zap.com:opensesame@smtp.gmail.com:587/?from=foo%40zap.com&tls=true",
 		To:      "test@temba.io",
 		Subject: "Test Email",
@@ -31,52 +29,14 @@ func main() {
 	)
 	loader.MustLoad()
 
-	// parse it
-	url, err := url.Parse(options.URL)
+	client, err := smtpx.NewClientFromURL(options.URL)
 	if err != nil {
 		logrus.WithError(err).Fatalf("unable to parse smtp config: %s", options.URL)
 	}
 
-	// figure out our port
-	sPort := url.Port()
-	if sPort == "" {
-		sPort = "25"
-	}
-	port, err := strconv.Atoi(sPort)
-	if err != nil {
-		logrus.WithError(err).Fatalf("invalid port configuration: %s", options.URL)
-	}
-
-	// and our user and password
-	if url.User == nil {
-		logrus.Fatalf("no user set for smtp server: %s", options.URL)
-	}
-	password, _ := url.User.Password()
-
-	// get our from
-	from := url.Query()["from"]
-	if len(from) == 0 {
-		from = []string{url.User.Username()}
-	}
-
-	// create our dialer for our org
-	d := mail.NewDialer(url.Hostname(), port, url.User.Username(), password)
-
-	// send each of our emails, errors are logged but don't stop us from trying to send our other emails
-	m := mail.NewMessage()
-	m.SetHeader("From", from[0])
-	m.SetHeader("To", options.To)
-	m.SetHeader("Subject", options.Subject)
-	m.SetBody("text/plain", options.Body)
-
-	logrus.WithFields(logrus.Fields{
-		"hostname": url.Hostname(),
-		"port":     port,
-		"username": url.User.Username(),
-		"password": password,
-	}).Info("attempting to send email")
+	m := smtpx.NewMessage([]string{options.To}, options.Subject, options.Body, "")
 
-	err = d.DialAndSend(m)
+	err = smtpx.Send(client, m)
 	if err != nil {
 		logrus.WithError(err).Fatal("error sending email")
 	}