The Perfect Server - Ubuntu Hardy Heron (Ubuntu 8.04 LTS Server) - Page 5 telnet localhost 25 Trying 127.0.0.1... Connected to localhost.localdomain. Escape character is '^]'. 220 server.example.com ESMTP Postfix (Ubuntu) ehlo localhost 250-server.example.com 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN nmap localhost Starting Nmap 4.53 ( http://insecure.org ) at 2010-03-11 19:26 EET Interesting ports on localhost.localdomain (127.0.0.1): Not shown: 1706 closed ports PORT STATE SERVICE 21/tcp open ftp 22/tcp open ssh 25/tcp open smtp 53/tcp open domain 80/tcp open http 443/tcp open https 953/tcp open rndc 3306/tcp open mysql Nmap done: 1 IP address (1 host up) scanned in 0.306 seconds Mar 11 18:59:39 server postfix/smtp[4722]: A6BEB10059: to=<[email protected]>, relay=none, delay=0.41, delays=0.13/0.07/0.21/0, dsn=4.4.1, status=deferred (connect to server.example.com[ip]:25: Connection refused) I replace the real name of server with server.example.com.
Your nmap and telnet are to the localhost, something is blocking you from connecting to the servers actual ip address check your firewalls and also check to see that the server is listening to port 25 on that address
Ok i understand but i try to send mail local from one user to other. And here a results from outside of LAN. Starting Nmap 5.21 ( http://nmap.org ) at 2010-03-15 15:37 E. Europe Standard Time Nmap scan report for server.example.com (xx.xx.xx.xx) Host is up (0.095s latency). Not shown: 87 filtered ports PORT STATE SERVICE 21/tcp open ftp 22/tcp open ssh 25/tcp open smtp 53/tcp open domain 80/tcp open http 81/tcp closed hosts2-ns 110/tcp closed pop3 143/tcp closed imap 443/tcp open https 993/tcp closed imaps 995/tcp closed pop3s 3306/tcp open mysql 8081/tcp open blackice-icecap Nmap done: 1 IP address (1 host up) scanned in 20.69 seconds Back with an add, I uninstalled all the packages on the mail HOWTO except Postfix and from console I was able to send mail between users.
