spam blacklist thoughts for 12.31.1969

  • Spam filters can be deployed on the network or on your computer.
  • Filters are not perfect, and can make false-positive errors (detaining e-mails that aren't spam) and false-negative errors (passing e-mails that are spam).
  • According to one article, spammers usually need to send a million e-mails to get fifteen positive responses, for the average direct-mail campaign, the response rate is three thousand per million.
  • Spam and viruses are a particular risk to companies with extensive communications networks.
  • Fast rotating of ip addresses is used by some spammers to keep their websites from being traced and shut down.
  • The spammer will set up reverse web proxies on many hosts, and then use name servers under his control to frequenty change which of these proxies will be pointed to by an official dns lookup for the site.
  • Spam, as everyone knows, is the unsolicited advertisements that clog up email inboxes worldwide.

Spam

spam blacklist

There doesn't appear to have been an official announcement, but Twitter has begun soliciting spam reports to a "spam" user account via direct messages. Are you a victim of Twitter spam? Just begin following @spam and send it a direct message with the username of your spammer. As the following email autoresponse to spam reporters instructs, you can send these direct messages from your mobile ...


In an earlier post, I solicited questions for Google about local search. My intention had been to present them at the What’s New in Local Search panel at SMX East this morning. But I didn’t get my act together to distribute them at the session. Google’s Eric Stein, who was on the panel, coordinated the [...]



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