Fix default-addr and test-email sending

pkg/mail/mail.go

@@ -49,9 +49,9 @@ func SetupDialer(host string, port int, user, pass, from string) {
 		defaultDialerError = errors.New("No port provided for SMTP")
 		return
 	}
+
 	if from == "" {
-		defaultDialerError = errors.New("Sender for SMTP is not set")
-		return
+		from = "placeholder@example.net"
 	}
 
 	if defaultDialerError != nil {

system/commands/auth.go

@@ -121,6 +121,9 @@ func Auth() *cobra.Command {
 				ntf = service.DefaultAuthNotification.With(ctx)
 			)
 
+			// Update current settings to be sure that we do not have outdated values
+			cli.HandleError(service.DefaultSettings.UpdateCurrent(ctx))
+
 			err = ntf.EmailConfirmation("en", args[0], "notification-testing-token")
 			cli.HandleError(err)
 

system/service/auth_notification.go

@@ -75,8 +75,16 @@ func (svc authNotification) PasswordReset(lang string, emailAddress string, toke
 }
 
 func (svc authNotification) newMail() *gomail.Message {
-	m := gomail.NewMessage()
-	m.SetAddressHeader("From", svc.settings.Auth.Mail.FromAddress, svc.settings.Auth.Mail.FromName)
+	var (
+		m    = mail.New()
+		addr = svc.settings.Auth.Mail.FromAddress
+		name = svc.settings.Auth.Mail.FromName
+	)
+
+	if addr != "" {
+		m.SetAddressHeader("From", addr, name)
+	}
+
 	return m
 }