--- a/dovecot-example.conf	Fri Sep 24 01:27:16 2004 +0300
+++ b/dovecot-example.conf	Fri Sep 24 01:29:13 2004 +0300
@@ -306,10 +306,14 @@
 # fallbacks to re-reading the whole mbox file whenever something in mbox isn't
 # how it's expected to be. The only real downside to this setting is that if
 # some other MUA changes message flags, Dovecot doesn't notice it immediately.
-# Note that a full sync is done for SELECT, EXAMINE, EXPUNGE and CHECK
-# commands.
+# Note that a full sync is done with EXPUNGE, CHECK, CLOSE and LOGOUT commands.
 #mbox_dirty_syncs = yes
 
+# Delay writing mbox headers until doing a full sync (see above). This is
+# especially useful for POP3 where clients often delete all mails. The downside
+# is that our changes aren't immediately visible to other MUAs.
+#mbox_lazy_writes = yes
+
 # umask to use for mail files and directories
 #umask = 0077