zone mta haproxy

haproxy.patch

--- receiver.js.old     2018-11-08 18:19:00.707220988 +0100
+++ receiver.js 2018-11-08 18:19:45.483691925 +0100
@@ -136,7 +136,8 @@
             let tryCount = 0;
             let nextTry = () => {
                 if (smtpServer && smtpServer.server) {
-                    return smtpServer.server.connect(socket);
+                    let handleProxy = smtpServer.server.server.rawListeners('connection')[0]
+                    return handleProxy(socket);
                 }
                 if (tryCount++ > 5) {
                     try {
@@ -151,6 +152,8 @@
             return setTimeout(nextTry, 100).unref();
         }

-        smtpServer.server.connect(socket);
+
+        let handleProxy = smtpServer.server.server.rawListeners('connection')[0]
+        handleProxy(socket);
     }
 });