diff --git a/docker/diun/data/diun.db b/docker/diun/data/diun.db
index ed1b882..737f55e 100644
Binary files a/docker/diun/data/diun.db and b/docker/diun/data/diun.db differ
diff --git a/docker/diun/diun.yml b/docker/diun/diun.yml
index 65cf492..6c20cd0 100644
--- a/docker/diun/diun.yml
+++ b/docker/diun/diun.yml
@@ -16,7 +16,7 @@ notif:
     ssl: true
     insecureSkipVerify: false
     username: timothykim@fastmail.fm
-    from: root@argento
+    from: argento@fastmail.com
     to:
       - timothykim@fastmail.fm
 
diff --git a/scripts/disk-health-check.sh b/scripts/disk-health-check.sh
index 3c37548..25b26bf 100755
--- a/scripts/disk-health-check.sh
+++ b/scripts/disk-health-check.sh
@@ -183,7 +183,7 @@ fi
 if [ "$USE_EMAIL" = true ]; then
     {
         echo "Subject: $SUBJECT"
-        echo "From: $HOSTNAME <root@$HOSTNAME>"
+        echo "From: $HOSTNAME <argento@fastmail.com>"
         echo "To: $MAILTO"
         echo ""
         printf '%b' "$BODY"