diff --git a/plugin.go b/plugin.go
index 0fcd851..8256f48 100644
--- a/plugin.go
+++ b/plugin.go
@@ -5,7 +5,6 @@ import (
 	"encoding/base64"
 	"fmt"
 	"io"
-	"net/smtp"
 	"strings"
 
 	"apigo.cc/gojs"
@@ -221,7 +220,7 @@ func (obj *Object) Send(vm *goja.Runtime, to []string, subject, content string,
 			InsecureSkipVerify: false,
 		}
 	}
-	conn.Auth = smtp.PlainAuth("", obj.username, obj.password, obj.smtpHost)
+	// conn.Auth = smtp.PlainAuth("", obj.username, obj.password, obj.smtpHost)
 
 	err := conn.DialAndSend(msg)
 	if err != nil {