Did that, but ill do it again, if I did something wrong. Problem before was that I didnt receive mail and it doesnt come back to sender...
Lets see again...
Originally Posted by jojo
You have to turn on SMTP-AUTH for your Postfix. Falko has just written a tutorial about how to do this on Fedora 4: http://www.howtoforge.com/perfect_setup_fedora_core_4
And in your email client, you must activate "Server needs authentication" (or similar) to be able to send emails with your Postfix.