こんにちは
友人が私にメールを送ったところ、メールは届かず。 友人には下記メールが即時返信された。
Subject: Undelivered Mail Returned to Sender
From: MAILER-DAEMON@mgw2.zenno.net (Mail Delivery System)
本文には
This is the mail system at host mgw2.zenno.net.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

返信する