diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index 1678f06..189b6db 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -1184,9 +1184,9 @@ in
       after = [ "sockets.service" ];
       serviceConfig = {
         Restart = "on-failure";
-        User = "hydra-queue-runner"; # TODO needs new user both here and there
+        User = "hydra-queue-runner"; # TODO needs new user here
         Group = "hydra";
-        ExecStart = "${pkgs.openssh}/bin/ssh -N -D 127.0.0.1:1587 zolaupd@5.78.86.156";
+        ExecStart = "${pkgs.openssh}/bin/ssh -N -D 127.0.0.1:1587 ssh_tunnel@5.78.86.156";
       };
     };
 
@@ -1194,10 +1194,6 @@ in
       m-labs-intl.com socks:
       * :
   '';
-  environment.etc."tsocks.conf".text = ''
-    server = 127.0.0.1
-    server_port = 1587
-  '';
   systemd.services.postfix-rebuild-sender-relay = {
       description = "Postfix Rebuild Sender Dependent Relayhost Maps";
       serviceConfig = {
@@ -1215,6 +1211,19 @@ in
     enablePop3Ssl = true;
     certificateScheme = "acme-nginx";
   } // (import /etc/nixos/secret/email_settings.nix);
+  ssh_proxy_conf = builtins.toFile "proxychains.conf" ''
+      strict_chain
+      tcp_read_time_out 15000
+      tcp_connect_time_out 8000
+      localnet 192.168.1.0/255.255.255.0
+      localnet 127.0.0.0/255.0.0.0
+      localnet ::1/128
+      localnet 94.190.212.123/255.255.255.255
+      localnet 202.77.7.238/255.255.255.255
+      localnet 2001:470:18:390::2/255.255.255.255
+      [ProxyList]
+      socks5 	127.0.0.1 1587
+  '';
   services.postfix = {
     config = {
       sender_dependent_relayhost_maps = "hash:/etc/postfix/sender_relay";
@@ -1223,7 +1232,7 @@ in
       masterConfig.socks = {
         type = "unix";
         command = "pipe";
-        args = "flags=R user=nobody argv=${pkgs.tsocks}/bin/tsocks ${pkgs.postfix}/bin/sendmail -oi -f $sender $recipient";
+        args = "flags=R user=nobody argv=${pkgs.proxychains-ng}/bin/proxychains4 -f ${config.ssh_proxy_conf} ${pkgs.postfix}/bin/sendmail -oi -f $sender $recipient";
       };
     };
   };