This Message was undeliverable due to the following
reason:
Each of the following recipients
was rejected by a remote mail server.
The reasons given by the
server are included to help you determine why
each recipient was rejected.
Recipient: <abc@marumaru.co.jp>
Reason: <abc@marumaru.co.jp>...
This Message was undeliverable due to the following
reason:
Your message was not delivered
because the DNS records for the destination
computer could not be found. Carefully check
that the address was spelled correctly, and
try sending it again if there were any mistakes.
It is also possible that
a network problem caused this situation, so
if you are sure the address is correct you might
want to try to send it again. If the problem
continues, contact your friendly system administrator.
Host marumaru.co.j
not found
The following recipients
did not receive this message:
Recipient: <xyz@marumaru.co.j>
Please reply to Postmaster@cam002.crayfish.net
if you feel this message to be in error.
Host marumaru.co.j not foundという部分が、＠の右側が実際に存在していないということを示しています。この例の場合、marumaru.co.j
というドメイン名が間違っている（末尾の p が抜けている）ことが原因です。
宛先のメールアドレスのメールボックス容量がいっぱいの場合
This Message was undeliverable due to the following
reason:
Each of the following recipients
was rejected by a remote mail server.
The reasons given by the server are included
to help you determine why each recipient was
rejected.
Recipient: <xyz@marumaruco.jp>
Reason: RCPT TO:<xyz@marumaru.co.jp>
Mailbox disk
quota exceeded
Please reply to Postmaster@ssmail001.deskwing.net
if you feel this message to be in error.
Mailbox disk quota exceededという部分がこのメールボックスの容量がいっぱいであることを示しています。
