diff --git a/offlineimap.conf b/offlineimap.conf
index de1a9d9..b6ed990 100644
--- a/offlineimap.conf
+++ b/offlineimap.conf
@@ -43,6 +43,10 @@ accounts = Test
 # greater than 1.  To force it to synchronize only one account at a
 # time, set it to 1.
 #
+# Note: if you are using autorefresh and have more than one account,
+# you must set this number to be >= to the number of accounts you have;
+# since any given sync run never "finishes" due to a timer, you will never
+# sync your additional accounts if this is 1.
 
 maxsyncaccounts = 1
 
diff --git a/offlineimap/threadutil.py b/offlineimap/threadutil.py
index 5f53708..599aa8d 100644
--- a/offlineimap/threadutil.py
+++ b/offlineimap/threadutil.py
@@ -18,8 +18,8 @@
 
 from threading import *
 from StringIO import StringIO
-from Queue import Queue
-import sys, traceback, thread
+from Queue import Queue, Empty
+import sys, traceback, thread, time
 from offlineimap.ui import UIBase       # for getglobalui()
 
 profiledir = None
@@ -89,7 +89,7 @@ class threadlist:
 # Exit-notify threads
 ######################################################################
 
-exitthreads = Queue(5)
+exitthreads = Queue(100)
 inited = 0
 
 def initexitnotify():
@@ -112,8 +112,12 @@ def exitnotifymonitorloop(callback):
     """
     global exitthreads
     while 1:                            # Loop forever.
-        callback(exitthreads.get(True))
-        exitthreads.task_done()
+        try:
+            thrd = exitthreads.get(False)
+            callback(thrd)
+            exitthreads.task_done()
+        except Empty:
+            time.sleep(1)
 
 def threadexited(thread):
     """Called when a thread exits."""