Empfang von CC-Mails

Wir haben das Problem, dass Mails die zb. an die adresse abc@xyz.de und "cc" an die adresse def@xyz.de geschickt werden, nur bei der adresse abc@xyz.de ankommen.

Dies passiert allerdings nicht grundsätzlich bei allen Mails, sonder nur von bestimmten Absendern.

Ich habe die Vermutung das es was mit den Providern zu tun hat, kann das sein?

Es geht um Mails die wir empfangen, von daher kann ich deine Frage nicht beantworten.

Es ist so das Mails die von Firma A an uns geschickt werden komplett ankommen, also die Adresse die im "AN" und im "CC" Feld steht.

Wenn wir aber Mails von Firma B bekommen, kommt bei uns nur die Mail an die Adresse im "AN"-Feld an.

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Subject: Werbung Sb 39!
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From: "Schulze, Anja" <a.schulze@moebel-boss.de>
To: "Eggerath (C.Jentgens) (E-Mail)" <jentgens@eggerath.de>
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