Hallo an Alle,

ich erhalte des Öfteren  eine Mail vom Mail Delivery System: returning message to sender o.Ä.

Allerding habe ich diese Mails nie abgeschickt und kenne auch die dubios klingenden Empfänger nicht, z.B. Olga@...

Was bedeutet das ? Habe ich vlt einen Trojaner und Jmd versucht von meinem PC heimlich zu senden?

Hier ein Beispiel, die ? stehen nur für meine persönlichen Daten ( soweit ich sie gefunden habe):

Von: Mail Delivery System [mailto:mailer-daemon@kundenserver.de]
Gesendet: Dienstag, 14. Januar 2020 14:04
An: ????????
Betreff: Mail delivery failed: returning message to sender

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es)

failed:

xxx

SMTP error from remote server for RCPT TO command, host: gmail-smtp-in.l.google.com (66.102.1.27) reason: 550-5.1.1 The email account that you tried to reach does not exist. Please  try

550-5.1.1 double-checking the recipient's email address for typos or

550-5.1.1 unnecessary spaces. Learn more at

550 5.1.1  https://support.google.com/mail/?p=NoSuchUser f10si13251505wrq.

297 - gsmtp

--- The header of the original message is following. ---

Received: from infong-eu2.kundenserver.de ([82.165.86.96]) by  mrelayeu.kundenserver.de (mreue012 [172.19.35.7]) with ESMTPA (Nemesis) id  1MIyiY-1j7MZl34gc-00KNmw for xxx; Tue, 14 Jan 2020 14:03:47

 +0100

Received: from 185.85.162.242 (IP may be forged by CGI script)

    by infong-eu2.kundenserver.de with HTTP

    id zR28z9-1jAsw62tqL-00X79N; Tue, 14 Jan 2020 14:03:47 +0100

X-Sender-Info: <639721122@infong-eu2.kundenserver.de>

Precedence: bulk

To:xxx

Subject: Kopie von: 1,600$ For You!

Date: Tue, 14 Jan 2020 14:03:47 +0100

From: =?????????????????????

Reply-To: Gamersmole xxx

Message-ID: <adf19544c52c3f5de2b3b1176b0f455a@??????????????????>

MIME-Version: 1.0

Content-Type: text/plain; charset=utf-8

Content-Transfer-Encoding: 8bit

Anmerkung Oliver I.:

E-Mail-Adresse editiert und etwas gekürzt