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RE: [cobalt-users] OT - Logcheck mass sendmail events
- Subject: RE: [cobalt-users] OT - Logcheck mass sendmail events
- From: "Dan Kriwitsky" <webhosting@xxxxxxxxx>
- Date: Fri May 11 03:56:08 2001
- List-id: Mailing list for users to share thoughts on Cobalt products. <cobalt-users.list.cobalt.com>
> Logcheck is showing alot of activity by someone trying random email
> addresses on our site. These lists are often long. What are these people
> doing? trying to confirm good email addresses? anything we can do
> to stop it?
It's called a dictionary attack. See Google for spam and dictionary attack.
Put the IP of the sender in your block list or send a snip of the log to
their ISP if it's a listed domain at http://www.abuse.net/lookup.phtml
--
Dan Kriwitsky