Hallo

Ich habe bei meinen T-Online Account eine direkt Weiterleitung zu meine Outlook.com Mailadresse eingerichten.

Der Absender bekommt i.d.R. eine Fehlermeldung, aber die Mail kommt trotzdem an.

Die Fehlermeldung ist:

This is the mail system at host mailout01.t-online.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

<nnn.nnn@outlook.com>: host

    outlook-com.olc.protection.outlook.com[104.47.66.33] said: 550 5.7.1

    Unfortunately, messages from [194.25.134.80] 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

    https://eur06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail.live.com%2Fmail%2Ftroubleshooting.aspx%23errors&amp;data=02%7C01%7C%7C6fa994a1d1d142806de608d81cf10a05%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637291168904259668&amp;sdata=usXNu2SgdOTOoIB6qubcvrRBcJt%2B7QDRqyQNmaXkmwg%3D&amp;reserved=0.

    [MW2NAM12FT017.eop-nam12.prod.protection.outlook.com] (in reply to MAIL

    FROM command)

kann mir jemand helfen.

VG

Roland