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@@ -44,9 +44,9 @@ class syncMail {
 
 
             $data['to_name'] = is_array($data['to_name'])?$data['to_name']:json_decode($data['to_name']);
             $data['to_name'] = is_array($data['to_name'])?$data['to_name']:json_decode($data['to_name']);
 
 
-            $w = ['email' => array_column($data['to_name'],'email')];
+            $w = ['email' => array_map('strtolower',array_column($data['to_name'],'email'))];
         }else{
         }else{
-            $w = ['email' =>$data['from']];
+            $w = ['email' => strtolower($data['from'])];
         }
         }
         // 是否在 预热邮箱中
         // 是否在 预热邮箱中
         if($this->db->count('select count(*) from `hot_mail` where '.dbWhere($w))){
         if($this->db->count('select count(*) from `hot_mail` where '.dbWhere($w))){