Am 20.10.2013 20:33, schrieb Wietse Venema: > Olaf Marzocchi: >> postfix/smtp[2103]: [ID 947731 mail.warning] warning: relayhost >> configuration problem >> postfix/smtp[2103]: [ID 197553 mail.info] 311482A92D: >> to=<o...@xxx-xxxxx.xxxxxx.xxx>, orig_to=<olaf>, relay=none, delay=157834, >> delays=157833/0.01/0.08/0, dsn=4.3.5, status=deferred (Host or domain name >> not found. Name service error for name=localhost type=A: Host not found) > > Specify [127.0.0.1] (including []) instead of "localhost". > >> So, I still don't understand why is localhost not recognized!! > > There is no "localhost" in DNS. To configure Postfix to look in > /etc/hosts, see > > http://www.postfix.org/postconf.5.html#smtp_host_lookup
the DNS server should be fixed http://tools.ietf.org/html/rfc1537 Also each nameserver should run primary for 0.0.127.in-addr.arpa; that zone file should contain a SOA and NS record and an entry: 1 PTR localhost.
