Add smtp_accept_max and smtp_accept_max_per_host
Allow callers to optionally set smtp_accept_max and smtp_accept_max_per_host options for tuning systems to handle higher connection volumes. Also fix the config template's conditional for queue_smtp_domains since it defaults to undef but was previously checked against "" instead. Change-Id: I5519f6c28c81a6f40c78551ac318b91cacfc04fb
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@ -21,15 +21,17 @@
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# http://www.exim.org/exim-html-current/doc/html/spec_html/index.html
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class exim(
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$local_domains = '@',
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$mailman_domains = [],
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$queue_interval = '30m',
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$queue_run_max = '5',
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$queue_smtp_domains = undef,
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$routers = [],
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$smarthost = false,
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$sysadmins = [],
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$transports = [],
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$local_domains = '@',
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$mailman_domains = [],
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$queue_interval = '30m',
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$queue_run_max = '5',
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$queue_smtp_domains = undef,
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$routers = [],
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$smarthost = false,
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$sysadmins = [],
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$transports = [],
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$smtp_accept_max = undef,
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$smtp_accept_max_per_host = undef,
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) {
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include ::exim::params
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@ -312,9 +312,9 @@ queue_run_max = <%= @queue_run_max %>
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# to be queued in this way, and is equivalent to setting
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# queue_smtp_domains to "*". See also hold_domains and queue_domains.
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<% if @queue_smtp_domains != "" -%>
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<% unless ["", nil, :undef].include?(@queue_smtp_domains) -%>
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queue_smtp_domains = <%= @queue_smtp_domains %>
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<% end %>
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<% end -%>
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<% if @mailman_domains.length > 0 -%>
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# Home dir for your Mailman installation -- aka Mailman's prefix
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@ -349,6 +349,16 @@ MM_LISTCHK=MM_HOME/lists/${lc::$local_part}/config.pck
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dns_ipv4_lookup = *.gmail.com : *.google.com
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<% unless ["", nil, :undef].include?(@smtp_accept_max) -%>
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# simultaneous incoming connections
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smtp_accept_max = <%= @smtp_accept_max %>
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<% end -%>
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<% unless ["", nil, :undef].include?(@smtp_accept_max_per_host) -%>
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# connections from one host
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smtp_accept_max_per_host = <%= @smtp_accept_max_per_host %>
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<% end -%>
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######################################################################
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# ACL CONFIGURATION #
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# Specifies access control lists for incoming SMTP mail #
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