特定のアドレスから受信できなくなりした。
何か勝手にブロックされている様なのですが・・・
相手には下記の文章が送られて来てます
This is the mail system at host ◎◎◎xserver.jp.
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
<◎◎◎◎◎@live.jp>: host apc.olc.protection.outlook.com[104.47.124.33] said: 550
5.7.1 Unfortunately, messages from [210.188.201.40] weren't sent. Please
contact your Internet service provider since part of their network is on
our block list (S3140). You can also refer your provider to
http://mail.live.com/mail/troubleshooting.aspx#errors.
[HK2APC01FT008.eop-APC01.prod.protection.outlook.com] (in reply to MAIL
FROM command)
受信出来る様にするにはどうすればいいですか。