Danny Sauer wrote:
Here's what i get : telnet mx2.epicuria.be 25 Trying 204.200.196.67... telnet: connect to address 204.200.196.67: Connection timed out
There's your problem - DNS works, but the connection's dropped. Blame your ISP.
You probably just need to set your smart_relay to point at your ISP's smtp host, rather than letting your machine directly deliver itself.
It is indeed possible that the ISP has enforced a policy to allow smtp client connections only to his own mail server. That is the reason I asked you to connect via telnet to port 110 (pop3) as well. That should work in any case because you have to be able to get your mail via pop from any server you might need. In that case you need to set the parameter relayhost = [mail server of isp] in /etc/postfix/main.cf. Alternatively you could use another ISP to connect to the internet. (^-^) Sandy