Vigilantes or Public Servants?

-
-
- Paisano1
- added this
Does building block lists of IP addresses that are "apparently" spammers and distributing this list without notifying the offending party vigilantism or service provision? I lean toward them being vigilantes. Perhaps if a mechanism was in place to warn the alleged spammer they are about to be blocked, the service would seem more friendly...
https://www.infosecisland.com/blogview/3294-Vigilantes-or-Public-Servants.html
https://www.infosecisland.com/blogview/3294-Vigilantes-or-Public-Servants.html