Index: lib/redmine/imap.rb
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- lib/redmine/imap.rb	(revision )
+++ lib/redmine/imap.rb	(revision )
@@ -48,6 +48,8 @@
           end
         end
         imap.expunge
+        imap.logout
+        imap.disconnect
       end
 
       private