im using this howto http://www.howtoforge.com/virtual-users-domains-postfix-courier-mysql-squirrelmail-ubuntu9.04 how to fix this eror Message not sent. Server replied: Connection refused 111 Can't open SMTP stream. root@server1:~# telnet localhost smtp Trying ::1... telnet: Unable to connect to remote host: Connection refused root@server1:~# root@server1:~# telnet localhost 25 Trying ::1... telnet: Unable to connect to remote host: Connection refused root@server1:~# but in using this its work fine. root@server1:~# telnet 192.168.2.103 25 Trying 192.168.2.103... Connected to 192.168.2.103. Escape character is '^]'. 220 server1.example.com ESMTP Postfix (Ubuntu) ehlo localhost 250-server1.example.com 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH LOGIN PLAIN 250-AUTH=LOGIN PLAIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN quit 221 2.0.0 Bye Connection closed by foreign host. root@server1:~#