I followed the perfect setup for Debian Sarge and installed bind, postfix, etc.. using server1.xceednetwork.com. Then I decided I wanted my server to be named something else and changed it using echo server1.example.com > /etc/hostname /bin/hostname -F /etc/hostname Now when I send an email from an external account, it bounces saying server1.domain.tld name or service is not known. Then to test the other route, I sent an email from squirrelmail and it shows up as [email protected] which is something I've never used?? Anyway... lets get some info. Hostname: Code: srv01:/etc/postfix# hostname srv01.xceednetwork.com Main.cf Code: srv01:/etc/postfix# cat main.cf # See /usr/share/postfix/main.cf.dist for a commented, more complete version smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h myhostname = mail.xceednetwork.com mydomain = xceednetwork.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = mail.xceednetwork.com, srv01.xceednetwork.com, localhost, localhost.xceednetwork.com relayhost = mynetworks = 127.0.0.0/8 mailbox_command = mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = 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 smtpd_use_tls = yes smtp_tls_note_starttls_offer = yes smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt 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 home_mailbox = Maildir/ virtual_maps = hash:/etc/postfix/virtusertable mydestination = /etc/postfix/local-host-names local-host-names Code: srv01:/etc/postfix# cat local-host-names ################################### # # ISPConfig local-host-names Configuration File # Version 1.0 # ################################### localhost srv01.xceednetwork.com localhost.srv01.xceednetwork.com localhost.xceednetwork.com localhost.localdomain www.xceedspeed.com xceedspeed.com #### MAKE MANUAL ENTRIES BELOW THIS LINE! #### mail.xceednetwork.com error in mail.log Code: Aug 30 15:50:30 srv01 postfix/smtp[4025]: 4DF776C802E: to=<[email protected] work.com>, orig_to=<[email protected]>, relay=none, delay=0, status=bounced ([ server1.xceednetwork.com]: Name or service not known) It obviously can recieve and send mail, just not properly. Im stumped? I've looked everywhere for a reference to server1.xceednetwork.com but I can't find it.
I found the problem. The old server name existed in /etc/mailname. I changed that and it went through fine.
