Ví dụ:
v=spf1 ip4:103.246.222.0/24 ?all
Đối với domain chưa xác thực:
Return-Path: <phong.nd@hanhtranglaptrinh.net> Received: from smtp222.defaultip.fbems.net ([103.246.222.113]) by mx.google.com with SMTP id yq7si4958059pac.112.2014.07.31.00.52.13 for <nguyendoanphonxxxt@gmail.com>; Thu, 31 Jul 2014 00:52:14 -0700 (PDT) Received-SPF: none (google.com: phong.nd@hanhtranglaptrinh.net does not designate permitted sender hosts) client-ip=103.246.222.113;
Đối với domain được xác thực:
Return-Path: <phong.nd@hanhtranglaptrinh.com> Received: from smtp222.defaultip.fbems.net ([103.246.222.132]) by mx.google.com with SMTP id g6si4844506pat.154.2014.07.31.00.07.47 for <nguyendoanphonxxxt@gmail.com>; Thu, 31 Jul 2014 00:07:48 -0700 (PDT) Received-SPF: pass (google.com: domain of phong.nd@hanhtranglaptrinh.com designates 103.246.222.132 as permitted sender) client-ip=103.246.222.132;
Tham khảo: https://support.google.com/a/answer/33786?hl=en
Tham khảo SPF Record Syntax: http://www.openspf.org/SPF_Record_Syntax
Không có nhận xét nào :
Đăng nhận xét