3 files changed, 5 insertions, 1 deletions

diff --git a/overlays/databases/postgresql/default.nix b/overlays/databases/postgresql/default.nix
index ae589877..50d94967 100644
--- a/overlays/databases/postgresql/default.nix
+++ b/overlays/databases/postgresql/default.nix
@@ -1,5 +1,5 @@
 self: super: rec {
-  postgresql_11_custom = super.postgresql_11.overrideAttrs(old: {
+  postgresql = super.postgresql_11.overrideAttrs(old: {
     # datadir in /var/lib/postgresql is named after psqlSchema
     passthru = old.passthru // { psqlSchema = "11.0"; };
     configureFlags = old.configureFlags ++ [ "--with-pam" ];
diff --git a/overlays/default.nix b/overlays/default.nix
index 881083dd..b3bc8caf 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -17,6 +17,7 @@
   nixops = import ./nixops;
   pass = import ./pass;
   pelican = import ./pelican;
+  postfix = import ./postfix;
   postgresql = import ./databases/postgresql;
   s6 = import ./s6;
   sc-im = import ./sc-im;
diff --git a/overlays/postfix/default.nix b/overlays/postfix/default.nix
new file mode 100644
index 00000000..55b83128
--- /dev/null
+++ b/overlays/postfix/default.nix
@@ -0,0 +1,3 @@
+self: super: {
+  postfix = super.postfix.override { withMySQL = true; };
+}