Unsolicited e-mail, comments or posts, often sent out in large volumes; possibly but not necessarily commercial in nature
Spam can refer to:
- Junk e-mail
- Unwanted posts on a website
- Unwanted comments on a post on a website
- A large number of posts designed to crash a system rather than provide useful content
For our canonical Q&A about how to prevent email you send from being flagged as spam, see How to send emails and avoid them being classified as spam.