From bf7099d38935c23a1b7a635bb4aac1666471a665 Mon Sep 17 00:00:00 2001
From: Robin Raymond <robin@robinraymond.de>
Date: Wed, 13 Sep 2017 11:49:33 +0200
Subject: [PATCH] fix issue #8

turns out this is a upstream bug. The fix should probably be pushed to nixpkgs.
---
 mail-server/systemd.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mail-server/systemd.nix b/mail-server/systemd.nix
index a5da59d..0c82b16 100644
--- a/mail-server/systemd.nix
+++ b/mail-server/systemd.nix
@@ -77,11 +77,12 @@ in
 
     # Create dkim certificates
     systemd.services.rmilter = {
+      requires = [ "rmilter.socket" ];
+      after = [ "rmilter.socket" ];
       preStart =
       ''
         ${create_dkim_cert}
       '';
     };
-
   };
 }