ส่งเมลโดย Gmail ไปยังเมลนึงแล้ว Mail Delivery Subsystem <mailer-daemon@googlemail.com> ก็ส่งเมลกลับมาว่า


Delivery to the following recipient failed permanently:

     xxxxxxxxxxx@hotmail.com

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain hotmail.com by mx4.hotmail.com. [65.55.92.168].

The error that the other server returned was:
550 Requested action not taken: mailbox unavailable

----- Original message -----

DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
      d=gmail.com; s=20120113;
      h=mime-version:date:message-id:subject:from:to:content-type;
      bh=25dVOGGkPH09nZLAA9k8pzr1pZs3Dd8grnucqmKie+E=;
      b=i1/r2Y1xiWMlB/J6HLiTXWtVQPlCKVgpld/TLgISi1ryHmD7hTr4f8JxoDYLAyrSWN
      +Wu+K/qBM7iECxOX6R3f8F1mX5TZ5rD+bR3Ye4BQecVu2sn5IfRWvyCgqeBP3ayMHbfy
      T7bLKSm6bj9pKfmIbJ2uXzu/nwtLbcWP1gGzFh6hk9oBAniCpoo1zKh9RUiUEPGJNJ2u
      QwS8wfd4iafdOV/58MgjmiTbAtBpgIKASYnwUbIOqxS+v5GM2FH9HPH4A1LrE6hXukR+
      bifFKe0ibL0ke7nE0l/esu72PiYgjb/V1jAsy0PDyo5Bvi3pF1il1DhECD8sk1tr7ScP
      R/Jg==...........................................................................................................................................



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