unsolicited

an email sent without the recipient's consent, typically for advertising; spam

a telephone call from someone that you do not know and are not expecting, often for sales

unerwünschte Nachricht

a digital message, such as a text or instant message, sent without prior consent

eine digitale Nachricht, wie eine Text- oder Sofortnachricht, die ohne vorherige Zustimmung gesendet wird

ungebetener Ratschlag

advice that is given without being asked for

ein Ratschlag, der ungefragt gegeben wird

physical letters or packages sent without the recipient's consent, often for advertising

a file sent with an email that the recipient did not request and may be malicious

something submitted for consideration, like a proposal or application, without being requested

a manuscript sent to a publisher by an author without being requested