diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index 3ad1fdd..7d3d292 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -1181,6 +1181,13 @@ in
     enablePop3 = true;
     enablePop3Ssl = true;
     certificateScheme = "acme-nginx";
+    extraVirtualAliases = {
+      "sb@m-labs-intl.com" = "sb@m-labs.hk";
+      "es@m-labs-intl.com" = "es@m-labs.hk"; # temporary
+      "helpdesk@m-labs-intl.com" = "helpdesk@m-labs.hk";
+      "sales@m-labs-intl.com" = "sales@m-labs.hk";
+      "jobs@m-labs-intl.com" = "jobs@m-labs.hk";
+    };
   } // (import /etc/nixos/secret/email_settings.nix);
   services.roundcube = {
     enable = true;