diff --git a/terraform/k8sapps/buckets.tf b/terraform/k8sapps/buckets.tf
index 5ec812e..fbb0fe2 100644
--- a/terraform/k8sapps/buckets.tf
+++ b/terraform/k8sapps/buckets.tf
@@ -11,7 +11,7 @@ resource "scaleway_object_bucket" "backup" {
   region     = "fr-par"
 
   lifecycle_rule {
-    id      = "clean"
+    id      = "gitea-clean"
     prefix  = "gitea-backup/"
     enabled = true
 
@@ -21,7 +21,7 @@ resource "scaleway_object_bucket" "backup" {
   }
 
   lifecycle_rule {
-    id      = "clean"
+    id      = "wordpress-clean"
     prefix  = "wordpress-backup/"
     enabled = true
 
@@ -31,7 +31,7 @@ resource "scaleway_object_bucket" "backup" {
   }
 
   lifecycle_rule {
-    id      = "clean"
+    id      = "nextcloud-clean"
     prefix  = "nextcloud-backup/"
     enabled = true
 
@@ -39,6 +39,16 @@ resource "scaleway_object_bucket" "backup" {
       days = local.cloud_backup_retention_days
     }
   }
+
+  lifecycle_rule {
+    id      = "mail-clean"
+    prefix  = "mail-backup/"
+    enabled = true
+
+    expiration {
+      days = local.cloud_backup_retention_days
+    }
+  }
 }
 
 resource "scaleway_object_bucket_policy" "backup" {