From b5e0057912ed9dd47200c6a85f14c4cfed671442 Mon Sep 17 00:00:00 2001
From: Felix Buehler <account@buehler.rocks>
Date: Sun, 29 Jan 2023 20:15:49 +0100
Subject: [PATCH] service/backup: fix mail transport

---
 modules/services/backup/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/services/backup/default.nix b/modules/services/backup/default.nix
index 871e6e4..3e0cf16 100644
--- a/modules/services/backup/default.nix
+++ b/modules/services/backup/default.nix
@@ -117,6 +117,9 @@ in
         fi
       '';
 
+      # for mail sending
+      readWritePaths = lib.optional (cfg.OnFailureMail != null) "/var/lib/postfix/queue/maildrop/";
+
       startAt = "daily";
       persistentTimer = true;
       prune.keep = {