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# This class provides rate-limiting for outgoing SMTP, using postfwd
# it is configured with some limits that seem reasonable for a generic
# use-case. Each of the following applies to sasl_authenticated users:
#
# . 150 recipients at a time
# . no more than 50 messages in 60 minutes
# . no more than 250 recipients in 60 minutes.
#
# This class could be easily extended to add overrides to these rules,
# maximum sizes per client, or additional rules
class postfwd {
ensure_packages(['libnet-server-perl', 'libnet-dns-perl', 'postfwd'])
file {
'/etc/default/postfwd':
source => 'puppet:///modules/postfwd/postfwd',
mode => '0644',
owner => root,
group => root,
require => Package['postfwd'];
'/etc/postfix/postfwd.cf':
content => template('postfwd/postfwd.cf.erb'),
mode => '0644',
owner => root,
group => root,
require => File['/etc/postfix'];
}
exec {
'/etc/init.d/postfwd reload':
refreshonly => true,
subscribe => [ File['/etc/postfix/postfwd.cf'],
File['/etc/default/postfwd'] ];
}
service {
'postfwd':
ensure => running,
name => postfwd,
pattern => '/usr/sbin/postfwd',
enable => true,
hasrestart => true,
hasstatus => false,
require => [ File['/etc/default/postfwd'],
File['/etc/postfix/postfwd.cf']];
}
}
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