spam
n. uncountablen. unwanted emails or messages that are sent to many people at once. You usually see these in your junk folder, often trying to sell you something you did not ask for.
n. unsolicited or irrelevant messages sent over the internet, typically to a large number of users, for the purposes of advertising, phishing, or spreading malware.
My inbox is full of spam today.
The company's marketing campaign backfired when customers began reporting their daily newsletters as spam.
Advanced filtering algorithms now catch the vast majority of spam before it reaches the user's primary inbox, though sophisticated phishing attempts still occasionally bypass these digital barriers.
I received many spamsI received a lot of spamSpam is uncountable when referring to electronic messages; use 'spam' or 'spam messages' instead of the plural form.