Hi there, The HDD in my server failed the other day, so I though I'd take the opportunity to give ISPConfig a go. I followed the Ubuntu 6.06 HOWTO but seem to have been left with a setup where Postfix refuses any incoming connections on Port 25. I'm sure I'm missing something obvious, but for the life of me can't see what. Here's my postfix conf: Code: smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = no smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_use_tls = yes smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache myhostname = hub.chriscole.info alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname #mydestination = hub.chriscole.info, localhost.chriscole.info, localhost relayhost = mynetworks = 127.0.0.0/8 mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all inet_protocols = all smtpd_sasl_local_domain = smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous broken_sasl_auth_clients = yes smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination smtpd_tls_auth_only = no smtp_use_tls = yes smtp_tls_note_starttls_offer = yes smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s tls_random_source = dev:/dev/urandom virtual_maps = hash:/etc/postfix/virtusertable mydestination = /etc/postfix/local-host-names Firewall is off (and iptables -L is empty). From the server itself, telnet localhost 25 with ehlo localhost gives: Code: Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 hub.chriscole.info ESMTP Postfix (Ubuntu) ehlo localhost 250-hub.chriscole.info 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH LOGIN PLAIN 250-AUTH=LOGIN PLAIN 250 8BITMIME When I try to connect on Port 25 from 'remote' machine (this box is not currently connected to the internet, so it's just another machine behind a switch setup on the same subnet), nothing gets recorded in /var/log/mail.log - only error the client sees is "connection refused" Any suggestions would be much appreciated, Chris.
Did you enable smtp-auth in your email client? Did you try webmail, are you able to send emails with webmail? Did you get any errors when you restart postfix? If you try to send email to a local recipient: Is the domain listed in /etc/postfix/local-host-names? Is the recipient listed in /etc/postfix/virtusertable?
or you just try a tcpdump dst port 25 -w capture.cap on your clientmachine (or ethereal in case of Windows) to see if your connection gets replied, if this is a connection problem. Is sth. listening on Port 25 on your server?
Ahem - rather stupid error on my part. Forgot that McAfee Virusscan was blocking port 25 by default on the laptop I was using. Turned that off and everything works fine. Chris.
