qpsmtpd/sme9/qpsmtpd-forkserver-keepalive.patch

--- qpsmtpd-forkserver.orig    2009-11-06 05:20:22.000000000 +1100
+++ qpsmtpd-forkserver 2012-04-23 09:56:55.000000000 +1000
@@ -244,8 +244,9 @@
     if (!$hisaddr) {
       # possible something condition...
       next;
     }
+    $client->sockopt(SO_KEEPALIVE,1);
     IO::Handle::blocking($client, 1);
     # get local/remote hostname, port and ip address
     my ($port, $iaddr, $lport, $laddr, $nto_iaddr, $nto_laddr) = Qpsmtpd::TcpServer::lrpip($server, $client, $hisaddr);

1	--- qpsmtpd-forkserver.orig 2009-11-06 05:20:22.000000000 +1100
2	+++ qpsmtpd-forkserver 2012-04-23 09:56:55.000000000 +1000
3	@@ -244,8 +244,9 @@
4	if (!$hisaddr) {
5	# possible something condition...
6	next;
7	}
8	+ $client->sockopt(SO_KEEPALIVE,1);
9	IO::Handle::blocking($client, 1);
10	# get local/remote hostname, port and ip address
11	my ($port, $iaddr, $lport, $laddr, $nto_iaddr, $nto_laddr) = Qpsmtpd::TcpServer::lrpip($server, $client, $hisaddr);
12