Very early NOTIFY support, hopefully fix -password on Windows

internal/imapserver/imap.go

@@ -1,8 +1,12 @@
 package imapserver
 
 import (
+	"log"
+	"os"
+
 	idle "github.com/emersion/go-imap-idle"
 	"github.com/emersion/go-imap/server"
+	"github.com/emersion/go-sasl"
 )
 
 type IMAPServer struct {
@@ -10,11 +14,27 @@ type IMAPServer struct {
 	backend *Backend
 }
 
-func NewIMAPServer(backend *Backend) (*IMAPServer, error) {
+func NewIMAPServer(backend *Backend, addr string, insecure bool) (*IMAPServer, *IMAPNotify, error) {
 	s := &IMAPServer{
 		server:  server.New(backend),
 		backend: backend,
 	}
+	notify := NewIMAPNotify(s.server, backend.Log)
+	s.server.Addr = addr
+	s.server.AllowInsecureAuth = insecure
+	s.server.Debug = os.Stdout
 	s.server.Enable(idle.NewExtension())
-	return s, nil
+	s.server.Enable(notify)
+	s.server.EnableAuth(sasl.Login, func(conn server.Conn) sasl.Server {
+		return sasl.NewLoginServer(func(username, password string) error {
+			_, err := s.backend.Login(nil, username, password)
+			return err
+		})
+	})
+	go func() {
+		if err := s.server.ListenAndServe(); err != nil {
+			log.Fatal(err)
+		}
+	}()
+	return s, notify, nil
 }