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Diffstat (limited to 'puppet/modules')
| -rw-r--r-- | puppet/modules/site_postfix/manifests/satellite.pp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/puppet/modules/site_postfix/manifests/satellite.pp b/puppet/modules/site_postfix/manifests/satellite.pp index 7be51b22..f5d5c7b7 100644 --- a/puppet/modules/site_postfix/manifests/satellite.pp +++ b/puppet/modules/site_postfix/manifests/satellite.pp @@ -10,5 +10,29 @@ class site_postfix::satellite { root_mail_recipient => $root_mail_recipient } + # There are special conditions for satellite hosts that will make them not be + # able to contact their relayhost: + # + # 1. they are on openstack/amazon/PC and are on the same cluster as the relay + # host, the MX lookup for the relay host will use the public IP, which cannot + # be contacted + # + # 2. When a domain is used that is not in DNS, because it is internal, + # a testing domain, etc. eg. a .local domain cannot be looked up in DNS + # + # to resolve this, so the satellite can contact the relayhost, we need to set + # the http://www.postfix.org/postconf.5.html#smtp_host_lookup to be 'native' + # which will cause the lookup to use the native naming service + # (nsswitch.conf), which typically defaults to 'files, dns' allowing the + # /etc/hosts to be consulted first, then DNS if the entry doesn't exist. + # + # NOTE: this will make it not possible to enable DANE support through DNSSEC + # with http://www.postfix.org/postconf.5.html#smtp_dns_support_level - but + # this parameter is not available until 2.11. If this ends up being important + # we could also make this an optional parameter for providers without + # dns / local domains + + postfix::config { 'smtp_host_lookup': value => 'native'; } + include site_postfix::mx::smtp_tls } |