From f6847e6f8c3bcce2b787ee8b28dcaa31cbb02fff Mon Sep 17 00:00:00 2001
From: Daniel Lo Nigro <d@d.sb>
Date: Sat, 13 Mar 2021 10:46:32 -0800
Subject: [PATCH] Add comment about maildir_very_dirty_syncs to dovecot.conf

---
 data/conf/dovecot/dovecot.conf | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/data/conf/dovecot/dovecot.conf b/data/conf/dovecot/dovecot.conf
index 1076c31c..74b186c1 100644
--- a/data/conf/dovecot/dovecot.conf
+++ b/data/conf/dovecot/dovecot.conf
@@ -24,6 +24,10 @@ mail_plugins = </etc/dovecot/mail_plugins
 mail_attachment_fs = crypt:set_prefix=mail_crypt_global:posix:
 mail_attachment_dir = /var/attachments
 mail_attachment_min_size = 128k
+# Significantly speeds up very large mailboxes, but is only safe to enable if
+# you do not manually modify the files in the `cur` directories in 
+# mailcowdockerized_vmail-vol-1. Disabled by default.
+#maildir_very_dirty_syncs=yes
 
 # Dovecot 2.2
 #ssl_protocols = !SSLv3