Hallo

egal, welche Mail wir versenden, ständig kommt folgende Meldung zurück, bitte dringed Hilfe (die angegebene IP-Adresse ist nicht unsere!):

Danke für die Hilfe im Voraus >> nun die Fehlermeldung:

This is the mail system at host mailout11.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

<EMPFÄNGERMAIL_ADRESSE>: host

    hotmail-com.olc.protection.outlook.com[104.47.57.161] said: 550 5.7.1

    Unfortunately, messages from [194.25.134.85] 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.

    [DM6NAM11FT017.eop-nam11.prod.protection.outlook.com] (in reply to MAIL

    FROM command)