MTA

Hi I want to install MTA in my network. I want to know which mail transfer agent is recommended (postfix, exim, sendmail or other else) and why. And which is unsafe and why. Thanks -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Conta

SSH & iptables

Hello I want to filter traffic on SSH server. I want to ACCEPT only SSH trafic on SSH server computer. Packet SSH which receive and send should be ACCEPT. Other traffic should be DROP. Which protocol I must use. I know that port nr 22 is used default. So, what I must type to do this? Thanks p