hotmailなどMicrosoftのメールアドレスにメールが送れなかった(550 SC-001)時の対応メモ

hotmailなどMicrosoftのメールアドレスにメールが送れなかった(550 SC-001)時の対応メモ | Bamboo lath 日々の記録システムからhotmailにメールを送ったら以下のエラーメールが返ってきて

This is the mail system at host ***.***.***.

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

<*********>: host[***.***.***.***] said: 550
SC-001 (SNT004-MC1F36) Unfortunately, messages from weren’t
sent. Please contact your Internet service provider since part of their
network is on our block list. You can also refer your provider to (in reply to MAIL
FROM command)






What domain are you sending to? ⇒ どのドメインから送信していますか? ×
What domain are you sending to? ⇒ どのドメインに送信していますか? ○


Dear ××××××

We have completed reviewing the IP(s) you submitted. The following
table contains the results of our investigation.

Conditionally mitigated
Our investigation has determined that the above IP(s) qualify for
conditional mitigation. These IP(s) have been unblocked, but may be
subject to low daily email limits until they have established a good

Please note that mitigating this issue does not guarantee that your
email will be delivered to a user’s inbox.

Ongoing complaints from users will result in removal of the mitigation.

Mitigation may take 24 – 48 hours to replicate completely throughout
our system.

If you feel your issue is not yet resolved, please reply to this email
and one of our support team members will contact you for further


一応24 – 48時間で緩和してくれるみたいです。