Hallo zusammen,
wie behebe ich die folgende Fehlermeldung?
_________________________________________
This is the mail system at host srv21.dsbsrv.de.
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
<name@live.de>: host eur.olc.protection.outlook.com[104.47.17.97]
said: 550 5.7.1 Unfortunately, messages from [46.20.46.51] 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.
[DB8EUR05FT023.eop-eur05.prod.protection.outlook.com] (in reply to MAIL
FROM command)
Reporting-MTA: dns; srv21.dsbsrv.de
X-Postfix-Queue-ID: 61186EAB7FB
X-Postfix-Sender: rfc822; name@smartpremix.de
Arrival-Date: Wed, 21 Oct 2020 17:05:28 +0200 (CEST)
Final-Recipient: rfc822; name@live.de
Original-Recipient: rfc822;name@live.de
Action: failed
Status: 5.7.1
Remote-MTA: dns; eur.olc.protection.outlook.com
Diagnostic-Code: smtp; 550 5.7.1 Unfortunately, messages from [46.20.46.51]
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.
[DB8EUR05FT023.eop-eur05.prod.protection.outlook.com]