Fix formatting

auth.go

@@ -65,4 +65,3 @@ func AuthCheckPassword(username string, secret string) error {
 	}
 	return errors.New("Password invalid")
 }
-

main.go

@@ -25,7 +25,7 @@ func connectionChecker(peer smtpd.Peer) error {
 
 	nets := strings.Split(*allowedNets, " ")
 
-	for i := range(nets) {
+	for i := range nets {
 		_, allowedNet, _ := net.ParseCIDR(nets[i])
 
 		if allowedNet.Contains(peerIP) {
@@ -125,7 +125,7 @@ func mailHandler(peer smtpd.Peer, env smtpd.Envelope) error {
 		env.Data,
 	)
 	if err != nil {
-		log.Printf("delivery failed: %v\n", err);
+		log.Printf("delivery failed: %v\n", err)
 		return smtpd.Error{Code: 554, Message: "Forwarding failed"}
 	}
 
@@ -155,7 +155,7 @@ func main() {
 
 	listeners := strings.Split(*listen, " ")
 
-	for i := range(listeners) {
+	for i := range listeners {
 		listener := listeners[i]
 
 		server := &smtpd.Server{