> You may want to invest some time in learning the basics of email and > system administration; this list is not the place for that.
I'm willing to learn. I assume that the best way to learn is to configure my own mail server. Am I wrong? >> Should I follow this [1] advice: > No. What do you think is the problem ? I thought that my server was compromised. I also thought that it can be used to organize a DDoS attack on my server. That's why I decided to configure fail2ban. Could you disprove (or comment on) the above?