diff --git a/core/service.go b/core/service.go
index 1389d95..0664cf9 100644
--- a/core/service.go
+++ b/core/service.go
@@ -533,6 +533,49 @@ func (sh *serviceDescription) linkinfo(w http.ResponseWriter, r *http.Request) {
 
 }
 
+// == 계정 이메일 조회
+func (sh *serviceDescription) emailinfo(w http.ResponseWriter, r *http.Request) {
+	defer func() {
+		s := recover()
+		if s != nil {
+			logger.Error(s)
+		}
+	}()
+
+	if r.Method != "GET" {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	queryvals := r.URL.Query()
+	sk := queryvals.Get("sk")
+
+	authInfo, err := sh.sessionProvider.Query(sk)
+	if err != nil {
+		logger.Println("sessionProvider.Query return err :", err)
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	email := authInfo.Email
+
+	if strings.HasPrefix(email, "__dummy_") && strings.HasSuffix(email, "temp__") {
+		email = ""
+	}
+
+	if strings.HasSuffix(email, "@noauth.flag") || strings.HasSuffix(email, "@guest.flag") {
+		email = ""
+	}
+
+	// fmt.Println("=================")
+	// fmt.Println(email)
+	// fmt.Println("=================")
+	//logger.Println("Email :", email)
+
+	w.Write([]byte(fmt.Sprintf(`{"email":"%s"}`, email)))
+
+}
+
 func (sh *serviceDescription) authorize_dev(w http.ResponseWriter, r *http.Request) {
 	if r.Method == "DELETE" {
 		sk := r.Header.Get("AS-X-SESSION")
@@ -748,6 +791,8 @@ func (sh *serviceDescription) serveHTTP(w http.ResponseWriter, r *http.Request)
 		sh.unlink(w, r)
 	} else if strings.HasSuffix(r.URL.Path, "/linkinfo") {
 		sh.linkinfo(w, r)
+	} else if strings.HasSuffix(r.URL.Path, "/emailinfo") {
+		sh.emailinfo(w, r)
 	} else if strings.HasSuffix(r.URL.Path, "/divs") {
 		// TODO : 세션키와 authtoken을 헤더로 받아서 accid 조회
 		queryvals := r.URL.Query()