go fmt.

address.go

@@ -1,8 +1,8 @@
 package smtpd
 
 import (
-	"strings"
 	"fmt"
+	"strings"
 )
 
 type MailAddress string

protocol.go

@@ -1,13 +1,13 @@
 package smtpd
 
 import (
-	"fmt"
-	"strings"
-	"crypto/tls"
 	"bufio"
-	"log"
 	"bytes"
+	"crypto/tls"
 	"encoding/base64"
+	"fmt"
+	"log"
+	"strings"
 )
 
 type command struct {
@@ -145,7 +145,6 @@ func (session *session) handleRCPT(cmd command) {
 
 }
 
-
 func (session *session) handleSTARTTLS(cmd command) {
 
 	if session.tls {

smtpd.go

@@ -7,12 +7,11 @@ import (
 	"fmt"
 	"log"
 	"net"
-	"time"
 	"os"
+	"time"
 )
 
 type Server struct {
-
 	Addr           string // Address to listen on when using ListenAndServe (default: "127.0.0.1:10025")
 	WelcomeMessage string // Initial server banner (default: "<hostname> ESMTP ready.")
 
@@ -55,7 +54,6 @@ type Envelope struct {
 }
 
 type session struct {
-
 	server *Server
 
 	peer     Peer
@@ -242,7 +240,6 @@ func (session *session) error(err error) {
 	session.reply(502, fmt.Sprintf("%s", err))
 }
 
-
 func (session *session) extensions() []string {
 
 	extensions := []string{