1. people who send large amounts of unwanted email messages, typically for advertising purposes
Usage: computing; internet
2. people who post excessive or irrelevant messages on internet forums or social media platforms
Usage: computing; internet; informal

Examples

• The company’s email filters blocked messages from known spammers.
• Spammers often use fake email addresses to avoid detection.
• The forum moderators quickly banned the spammers who were posting advertisements.
• Many spammers target elderly people with fraudulent investment schemes.
• Social media platforms are constantly developing new ways to identify and remove spammers.
• The spammers flooded the chat room with repetitive messages.
• Internet service providers work together to create blacklists of known spammers.