diff --git a/server/adminserver/api/v1/system/mail.go b/server/adminserver/api/v1/system/mail.go
index a1e1f401..b7575433 100644
--- a/server/adminserver/api/v1/system/mail.go
+++ b/server/adminserver/api/v1/system/mail.go
@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"q5"
 
+	"fmt"
 	"github.com/gin-gonic/gin"
 )
 
@@ -30,7 +31,8 @@ func (this *MailApi) ListMail(c *gin.Context) {
 		return
 	}
 	orderBy := ""
-	sql := "SELECT * FROM t_mail WHERE 1=1 and unikey is not null "
+	sql := fmt.Sprintf("SELECT * FROM t_mail WHERE 1=1 AND tag1 = %d AND unikey is not null ",
+		jccommon.MAIL_TAG1_CUSTOM)
 	subFilters := []f5.DbQueryFilter{
 		f5.GetDbFilter().Custom("deleted = 0").And(),
 	}