class firewall::virtual::mail($destination) {
  shorewall::rule { 'mail-1':
    action          => 'DNAT',
    source          => 'vm',
    destination     => "fw:$destination:25",
    proto           => 'tcp',
    destinationport => '25',
    originaldest    => lookup('firewall::external_ip', undef, undef, $::ipaddress),
    ratelimit       => '-',
    order           => 1000,
  }

  shorewall::rule { 'mail-2':
    action          => 'DNAT',
    source          => 'net',
    destination     => "vm:$destination:25",
    proto           => 'tcp',
    destinationport => '25',
    originaldest    => lookup('firewall::external_ip', undef, undef, $::ipaddress),
    ratelimit       => '-',
    order           => 1001,
  }

  shorewall::rule { 'mail-3':
    action          => 'DNAT',
    source          => 'vm',
    destination     => "fw:$destination:993",
    proto           => 'tcp',
    destinationport => '993',
    originaldest    => lookup('firewall::external_ip', undef, undef, $::ipaddress),
    ratelimit       => lookup("firewall::ssl_ratelimit", undef, undef, '-'),
    order           => 1002,
  }

  shorewall::rule { 'mail-4':
    action          => 'DNAT',
    source          => 'net',
    destination     => "vm:$destination:993",
    proto           => 'tcp',
    destinationport => '993',
    originaldest    => lookup('firewall::external_ip', undef, undef, $::ipaddress),
    ratelimit       => lookup("firewall::ssl_ratelimit", undef, undef, '-'),
    order           => 1003,
  }

  shorewall::rule { 'mail-5':
    action          => 'DNAT',
    source          => 'vm',
    destination     => "fw:$destination:587",
    proto           => 'tcp',
    destinationport => '587',
    originaldest    => lookup('firewall::external_ip', undef, undef, $::ipaddress),
    ratelimit       => lookup("firewall::ssl_ratelimit", undef, undef, '-'),
    order           => 1004,
  }

  shorewall::rule { 'mail-6':
    action          => 'DNAT',
    source          => 'net',
    destination     => "vm:$destination:587",
    proto           => 'tcp',
    destinationport => '587',
    originaldest    => lookup('firewall::external_ip', undef, undef, $::ipaddress),
    ratelimit       => lookup("firewall::ssl_ratelimit", undef, undef, '-'),
    order           => 1005,
  }
}