Slide 28
Slide 28 text
実は他にもエラー返ってた
From: ohesotori < ohesotori @gmail.com>
To: <*****@example.gr.jp>
Delivery to the following recipient failed permanently:
*****@example.gr.jp
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We
recommend contacting the other email provider for further information about the cause of
this error. The error that the other server returned was: 553 553 5.3.0
<*****@example.gr.jp>... User unknown, not local address (state 13).