Increase IMAP idle timeout.

Mail client on MacOS relies on the IMAP idle functionality.

diff --git a/dovecot/20-imap.conf b/dovecot/20-imap.conf
index 176b2be8d5510aab16d22ca8f6d4ae9ca0337f59..2b8c549f530001b496706f62190cceba8bdcd2bd 100644 (file)
--- a/dovecot/20-imap.conf
+++ b/dovecot/20-imap.conf
@@ -6,7 +6,7 @@
 # to imap-hibernate process and close the old imap process. This saves memory,
 # because connections use very little memory in imap-hibernate process. The
 # downside is that recreating the imap process back uses some resources.
-#imap_hibernate_timeout = 0
+imap_hibernate_timeout = 5s
 
 # Maximum IMAP command line length. Some clients generate very long command
 # lines with huge mailboxes, so you may need to raise this if you get