I see now, since the last postfix restart the log is filling up with these:
Oct 18 22:59:42 mercury postfix/smtpd[11318]: fatal: open database /etc/aliases.db: No such file or directory Oct 18 22:59:43 mercury postfix/master[7816]: warning: process /usr/libexec/postfix/smtpd pid 11318 exit status 1 Oct 18 22:59:43 mercury postfix/master[7816]: warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling
The problem will probably reveal itself here, but I will need to do a bit of googling to decipher it all. I admit that much of the configuration was done with tutorials that I googled, with limited understanding. That's how we learn!
[root@mercury ~]# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix debug_peer_level = 2 home_mailbox = Maildir/ html_directory = no inet_interfaces = all mail_owner = postfix mailbox_command = mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES sample_directory = /usr/share/doc/postfix-2.3.3/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_tls_note_starttls_offer = yes smtp_use_tls = yes smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem smtpd_tls_auth_only = no smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes tls_random_source = dev:/dev/urandom unknown_local_recipient_reject_code = 550 [root@mercury ~]#
To what must I change /etc/aliases.db? Which fine manual should I be reading?