i have an openvz vps,, and i use to run only openvpn server.. but one day, my datacenter told me they suspended my vps because it was sending spam? well im not using smtp or stuff on my vps, its just plain VPN server.. now can u provide me ways on how to block spam,,
1st. i dont need smtp service, you can remove it, but how pls help 2nd. i also dont need httpd/apache, does httpd helps sending spams? thanks guyz.
3rd what port should i block? how do we block ports using iptables?