Use separate account for master user

crates/jmap/src/email/delete.rs

@@ -396,6 +396,14 @@ impl JMAP {
             return Ok(());
         }
 
+        tracing::debug!(
+            event = "info",
+            context = "email_auto_expunge",
+            account_id = account_id,
+            count = destroy_ids.len(),
+            "Auto-expunging messages."
+        );
+
         // Tombstone messages
         let (changes, _) = self.emails_tombstone(account_id, destroy_ids).await?;
 
@@ -436,6 +444,14 @@ impl JMAP {
             return Ok(());
         }
 
+        tracing::debug!(
+            event = "info",
+            context = "email_purge_tombstoned",
+            account_id = account_id,
+            count = tombstoned_ids.len(),
+            "Purging tombstoned messages."
+        );
+
         // Delete full-text index
         self.core
             .storage