Edit: @Successful_Try543@feddit.org solved it. It says “one special character”. Not “at least one”.

  • Successful_Try543
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    2 months ago

    Do you like a cup of coffee or tea? :-p
    I also can’t think of a scenario where that makes technically sense to limit the choice of passwords in that way.
    As far as I remember, it was for Deutsche Telekom De-Mail, a specially secure authenticated e-mail service which was discontinued some years ago.

      • Successful_Try543
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        2 months ago

        Yes, of course you are right.
        I was thinking of the text on the web page, like the one in the OP, stating the requirements for the password to the end user: “The password must contain at least one digit or special character.” So several digits were allowed, also one or more special character, but not mixing digits and special characters.