From 7bf2dfd62e169856aa4e13d7cc2234dffa550291 Mon Sep 17 00:00:00 2001
From: missytake <missytake@systemli.org>
Date: Fri, 12 Sep 2025 09:30:17 +0200
Subject: [PATCH] dovecot: keep mailbox index only in memory (#632)

Co-authored-by: holger krekel  <holger@merlinux.eu>
---
 CHANGELOG.md                                  | 2 ++
 cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2 | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 65324fb6..13dc2a49 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## untagged
 
+- dovecot: keep mailbox index only in memory to avoid unnecessary disc usage 
+  ([#632](https://github.com/chatmail/relay/pull/632))
 
 ## 1.7.0 2025-09-11
 
diff --git a/cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2 b/cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2
index f6511be0..244a58e6 100644
--- a/cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2
+++ b/cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2
@@ -68,7 +68,7 @@ userdb {
 ##
 
 # Mailboxes are stored in the "mail" directory of the vmail user home.
-mail_location = maildir:{{ config.mailboxes_dir }}/%u
+mail_location = maildir:{{ config.mailboxes_dir }}/%u:INDEX=MEMORY
 
 namespace inbox {
   inbox = yes