I followed the howto (thanks for the great work falko) and encounter a telnet problem on page 5: testing postfix: ~$ telnet localhost 25 Trying 127.0.0.1... Connected to localhost.localdomain. Escape character is '^]'. ehlo localhost and here telnet freeze. remark: the courier pop test did it succesfully. What had i omit to do ? thanks in advance for the help.