Pay attention to the pointed clip
Fake sender IDs in email correspondence have become a plague - mainly because they are so easy to forge. In principle, any layman can create a new 'war name', a 'pseudo', in the browser. The astonished users then often even receive an email from themselves that they never wrote.
The method of fake sender identification is mainly used by senders of spam emails. If you open such an e-mail - especially the attached files - the mishap happens in no time at all. In the end, your own computer even becomes part of a network of spam mail slingers because you blindly trusted a fake sender ID.
The first and simple remedy is to check the sender line, which usually contains the sender's name in plain text - followed by the e-mail address in angle brackets:
Amazon.de versandbestaetigung@amazon.de
Identifier E-mail address
As mentioned above, anyone can easily manipulate the identifier in their browser. It is therefore particularly important to check the email address in the angle brackets before opening each inbox. This is because no spam mail sender can so easily install an email server whose domain name is 'amazon.de', for example.
Therefore, when checking your mails, always pay attention to the angle bracket in your mail client!