diff --git a/ops/machines/nevsky/default.nix b/ops/machines/nevsky/default.nix
index 5704a9db1..275b7acaf 100644
--- a/ops/machines/nevsky/default.nix
+++ b/ops/machines/nevsky/default.nix
@@ -12,6 +12,7 @@ in
     (mod "irccat.nix")
     (mod "known-hosts.nix")
     (mod "owothia.nix")
+    (mod "smtprelay.nix")
     (mod "tvl-buildkite.nix")
     (mod "tvl-users.nix")
     (mod "www/cache.tvl.fyi.nix")
@@ -365,6 +366,17 @@ in
         irc_pass = "$CLBOT_PASS";
       };
     };
+
+    # Start a local SMTP relay to Gmail (used by gerrit)
+    smtprelay = {
+      enable = true;
+      args = {
+        listen = ":2525";
+        remote_host = "smtp.gmail.com:587";
+        remote_auth = "plain";
+        remote_user = "tvlbot@tazj.in";
+      };
+    };
   };
 
   # Start a ZNC instance which bounces for tvlbot and owothia.