John Hinton wrote:
I guess the big advantage to them on list is the archive now contains their post and if there was a URL, a link from the CentOS archive, pretty well positioned by Google and the likes, now points to their site possibly moving them up on the search engines. It's actually a pretty good tactic.
The problem is that there was no advertisement inside the messages. It could be for enumerating hosts in a bot net later on.
Is nothing safe?
Safe from spammers? No. There's good and easy money to be made (think about it, most work goes on at the recipient side).
Ralph