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-rw-r--r--config/main.inc.php.dist3
1 files changed, 3 insertions, 0 deletions
diff --git a/config/main.inc.php.dist b/config/main.inc.php.dist
index 506edd9cc..889d101d9 100644
--- a/config/main.inc.php.dist
+++ b/config/main.inc.php.dist
@@ -128,6 +128,9 @@ $rcmail_config['imap_cache'] = null;
// Enables messages cache. Only 'db' cache is supported.
$rcmail_config['messages_cache'] = false;
+// Lifetime of IMAP indexes cache. Possible units: s, m, h, d, w
+$rcmail_config['imap_cache_ttl'] = '10d';
+
// Lifetime of messages cache. Possible units: s, m, h, d, w
$rcmail_config['messages_cache_ttl'] = '10d';