postfix as nullclient on 5.4

Haulmark, Chris chris at sigd.net
Mon Sep 5 07:57:44 PDT 2005


Someone broke the silence: 

> Hello,
>     I've got a central mailserver, and four machines acting
> as nullclients.
> Their only job is to send the central server emails of cron
> output. This
> isn't working, logs on the clients show nothing, the message just
> disappears, it's like it doesn't enter the queue. I'm
> assuming i have a
> configuration issue. Here's my config, i'd appreciate any
> suggestions. Thanks. Dave.

You didn't specific what the OS is for both 4 nullclients?

Chris

> 
> main.cf:
> queue_directory = /var/spool/postfix
> command_directory = /usr/local/sbin
> daemon_directory = /usr/local/libexec/postfix
> mail_owner = postfix
> default_privs = nobody
> myhostname = host1.example.net
> mydomain = example.net
> myorigin = $myhostname
> relayhost = mailserver.example.net
> #alias_maps = hash:/usr/local/etc/postfix/aliases
> #alias_database = hash:/usr/local/etc/postfix/aliases
> sendmail_path = /usr/local/sbin/sendmail
> newaliases_path = /usr/local/bin/newaliases
> mailq_path = /usr/local/bin/mailq
> setgid_group = maildrop
> manpage_directory = /usr/local/man
> sample_directory = /usr/local/etc/postfix
> readme_directory = no
> local_transport = error:local delivery on this system is disabled
> 
> master.cf:
> #
> ==============================================================
> ============ #smtp      inet  n       -       y       -       -      
> smtpd #submission inet n      -       y       -       -       smtpd
> # -o smtpd_etrn_restrictions=reject
> # -o smtpd_client_restrictions=permit_sasl_authenticated,reject
> #smtps    inet  n       -       y       -       -       smtpd
> #  -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes
> #submission   inet    n       -       y       -       -       smtpd
> #  -o smtpd_etrn_restrictions=reject
> #  -o smtpd_enforce_tls=yes -o smtpd_sasl_auth_enable=yes
> #628      inet  n       -       y       -       -       qmqpd
> pickup    fifo  n       -       y       60      1       pickup
> cleanup   unix  n       -       y       -       0       cleanup
> qmgr      fifo  n       -       y       300     1       qmgr
> #qmgr     fifo  n       -       y       300     1       oqmgr
> #tlsmgr    unix  -       -       y       1000?   1       tlsmgr
> rewrite   unix  -       -       y       -       -
> trivial-rewrite
> bounce    unix  -       -       y       -       0       bounce
> defer     unix  -       -       y       -       0       bounce
> trace     unix  -       -       y       -       0       bounce
> verify    unix  -       -       y       -       1       verify
> flush     unix  n       -       y       1000?   0       flush
> #proxymap  unix  -       -       n       -       -       proxymap
> smtp      unix  -       -       y       -       -       smtp
> # When relaying mail as backup MX, disable fallback_relay to
> avoid MX loops
> #relay     unix  -       -       y       -       -       smtp  #-o
> fallback_relay= #       -o smtp_helo_timeout=5 -o
> smtp_connect_timeout=5 
> showq     unix  n       -       y       -       -       showq
> error     unix  -       -       y       -       -       error
> discard   unix  -       -       y       -       -       discard
> local     unix  -       n       n       -       -       local
> #virtual   unix  -       n       n       -       -       virtual
> #lmtp      unix  -       -       y       -       -       lmtp
> #anvil     unix  -       -       y       -       1       anvil
> #scache   unix - - y - 1 scache
> 
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