For questions about suspected user spam, the spam flag or combating spam as a community, use this tag.
Spam
(lowercase) disruptive messages, especially commercial messages posted on a computer network or sent as e-mail
Use on meta
This tag is used for questions that relate to use of the spam flag option, asking the community about a users posts when spam is suspected or identifying a spam trend that isn't obvious, but has become prevalent for group action or discussion.
Further information
- What are the “spam” and “rude or abusive” (offensive) flags, and how do they work?
- Limits for self-promotion in answers
Copied from: https://meta.stackexchange.com/tags/spam/info