spf mail check

SPF: RFC 4408 - SPF: Project Overview被捕魚的假器具插入嘴巴,因而死亡的海獅。.....誤入廢棄塑膠圈的海獅頸被割傷。.....被捕魚器具插入嘴巴的海獅。.....被漁具纏住因而溺死的海獅。...... 人類隨手亂丟的垃圾以及捕魚工具,現在竟成了危害海洋動物生命的罪魁禍首!阿拉斯加漁獵部(Alaska Department of Fis"Mail from example.com should only be sent by its own servers." a simple, constant message "%{i} is not one of %{d}'s designated mail servers." a message with a little more information, including the IP address that failed the check "See http://%{d}/why.h...

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